Home / 849,947,936.64-1,172,897,186.90-473,585,078.82

Finding the Fourth Proportional to 849,947,936.64, 1,172,897,186.90 and 473,585,078.82

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Solution

The fourth proportional to 849,947,936.64, 1,172,897,186.90 and 473,585,078.82 is: 653,530,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,947,936.64 : 1,172,897,186.90 = 473,585,078.82 : x
  2. Step 2: Convert to fraction form
    849,947,936.64/1,172,897,186.90 = 473,585,078.82/x
  3. Step 3: Cross multiply
    849,947,936.64x = 1,172,897,186.90 × 473,585,078.82
  4. Step 4: Simplify right side
    849,947,936.64x = 555,466,606,705,792,832
  5. Step 5: Solve for x
    x = 555,466,606,705,792,832/849,947,936.64
  6. Step 6: Final answer
    x = 653,530,154.92

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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.