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Finding the Fourth Proportional to 419,904,695.40, 586,506,084.60 and 419,904,695.40

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Solution

The fourth proportional to 419,904,695.40, 586,506,084.60 and 419,904,695.40 is: 586,506,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,695.40 : 586,506,084.60 = 419,904,695.40 : x
  2. Step 2: Convert to fraction form
    419,904,695.40/586,506,084.60 = 419,904,695.40/x
  3. Step 3: Cross multiply
    419,904,695.40x = 586,506,084.60 × 419,904,695.40
  4. Step 4: Simplify right side
    419,904,695.40x = 246,276,658,804,209,632
  5. Step 5: Solve for x
    x = 246,276,658,804,209,632/419,904,695.40
  6. Step 6: Final answer
    x = 586,506,084.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.