Home / 1,248,214,238.24-1,721,706,041.30-802,741,127.30

Finding the Fourth Proportional to 1,248,214,238.24, 1,721,706,041.30 and 802,741,127.30

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Solution

The fourth proportional to 1,248,214,238.24, 1,721,706,041.30 and 802,741,127.30 is: 1,107,249,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,214,238.24 : 1,721,706,041.30 = 802,741,127.30 : x
  2. Step 2: Convert to fraction form
    1,248,214,238.24/1,721,706,041.30 = 802,741,127.30/x
  3. Step 3: Cross multiply
    1,248,214,238.24x = 1,721,706,041.30 × 802,741,127.30
  4. Step 4: Simplify right side
    1,248,214,238.24x = 1,382,084,248,472,382,208
  5. Step 5: Solve for x
    x = 1,382,084,248,472,382,208/1,248,214,238.24
  6. Step 6: Final answer
    x = 1,107,249,225.44

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Half scale
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Double scale
Find fourth proportional to 1,248,214,239.24, 1,721,706,042.68 and 802,741,128.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.