Home / 1,639,005,302.76-2,260,397,887.52-1,161,751,689.24

Finding the Fourth Proportional to 1,639,005,302.76, 2,260,397,887.52 and 1,161,751,689.24

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Solution

The fourth proportional to 1,639,005,302.76, 2,260,397,887.52 and 1,161,751,689.24 is: 1,602,204,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,005,302.76 : 2,260,397,887.52 = 1,161,751,689.24 : x
  2. Step 2: Convert to fraction form
    1,639,005,302.76/2,260,397,887.52 = 1,161,751,689.24/x
  3. Step 3: Cross multiply
    1,639,005,302.76x = 2,260,397,887.52 × 1,161,751,689.24
  4. Step 4: Simplify right side
    1,639,005,302.76x = 2,626,021,064,180,887,552
  5. Step 5: Solve for x
    x = 2,626,021,064,180,887,552/1,639,005,302.76
  6. Step 6: Final answer
    x = 1,602,204,129.39

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Double scale
Find fourth proportional to 1,639,005,303.76, 2,260,397,888.90 and 1,161,751,690.24
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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.