Home / 716,655,813,693.93-989,220,709,195.56-570,436,488,252.90

Finding the Fourth Proportional to 716,655,813,693.93, 989,220,709,195.56 and 570,436,488,252.90

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Solution

The fourth proportional to 716,655,813,693.93, 989,220,709,195.56 and 570,436,488,252.90 is: 787,389,952,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,655,813,693.93 : 989,220,709,195.56 = 570,436,488,252.90 : x
  2. Step 2: Convert to fraction form
    716,655,813,693.93/989,220,709,195.56 = 570,436,488,252.90/x
  3. Step 3: Cross multiply
    716,655,813,693.93x = 989,220,709,195.56 × 570,436,488,252.90
  4. Step 4: Simplify right side
    716,655,813,693.93x = 564,287,587,460,558,524,252,160
  5. Step 5: Solve for x
    x = 564,287,587,460,558,524,252,160/716,655,813,693.93
  6. Step 6: Final answer
    x = 787,389,952,998.49

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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.