Home / 71,721,953,407.04-98,976,333,275.24-39,169,612,694.71

Finding the Fourth Proportional to 71,721,953,407.04, 98,976,333,275.24 and 39,169,612,694.71

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Solution

The fourth proportional to 71,721,953,407.04, 98,976,333,275.24 and 39,169,612,694.71 is: 54,054,086,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721,953,407.04 : 98,976,333,275.24 = 39,169,612,694.71 : x
  2. Step 2: Convert to fraction form
    71,721,953,407.04/98,976,333,275.24 = 39,169,612,694.71/x
  3. Step 3: Cross multiply
    71,721,953,407.04x = 98,976,333,275.24 × 39,169,612,694.71
  4. Step 4: Simplify right side
    71,721,953,407.04x = 3,876,864,640,333,688,864,768
  5. Step 5: Solve for x
    x = 3,876,864,640,333,688,864,768/71,721,953,407.04
  6. Step 6: Final answer
    x = 54,054,086,038.78

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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.