Home / 2,153,231,341.23-2,972,012,120.02-1,402,415,482.24

Finding the Fourth Proportional to 2,153,231,341.23, 2,972,012,120.02 and 1,402,415,482.24

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Solution

The fourth proportional to 2,153,231,341.23, 2,972,012,120.02 and 1,402,415,482.24 is: 1,935,693,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,231,341.23 : 2,972,012,120.02 = 1,402,415,482.24 : x
  2. Step 2: Convert to fraction form
    2,153,231,341.23/2,972,012,120.02 = 1,402,415,482.24/x
  3. Step 3: Cross multiply
    2,153,231,341.23x = 2,972,012,120.02 × 1,402,415,482.24
  4. Step 4: Simplify right side
    2,153,231,341.23x = 4,167,995,810,520,973,312
  5. Step 5: Solve for x
    x = 4,167,995,810,520,973,312/2,153,231,341.23
  6. Step 6: Final answer
    x = 1,935,693,453.24

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Double scale
Find fourth proportional to 2,153,231,342.23, 2,972,012,121.40 and 1,402,415,483.24
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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.