Home / 731,181,206.55-1,009,030,065.04-417,922,146.58

Finding the Fourth Proportional to 731,181,206.55, 1,009,030,065.04 and 417,922,146.58

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Solution

The fourth proportional to 731,181,206.55, 1,009,030,065.04 and 417,922,146.58 is: 576,732,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,181,206.55 : 1,009,030,065.04 = 417,922,146.58 : x
  2. Step 2: Convert to fraction form
    731,181,206.55/1,009,030,065.04 = 417,922,146.58/x
  3. Step 3: Cross multiply
    731,181,206.55x = 1,009,030,065.04 × 417,922,146.58
  4. Step 4: Simplify right side
    731,181,206.55x = 421,696,010,745,273,792
  5. Step 5: Solve for x
    x = 421,696,010,745,273,792/731,181,206.55
  6. Step 6: Final answer
    x = 576,732,562.28

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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.