Home / 574,862,817.60-862,294,226.40-315,944,762.40

Finding the Fourth Proportional to 574,862,817.60, 862,294,226.40 and 315,944,762.40

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Solution

The fourth proportional to 574,862,817.60, 862,294,226.40 and 315,944,762.40 is: 473,917,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,862,817.60 : 862,294,226.40 = 315,944,762.40 : x
  2. Step 2: Convert to fraction form
    574,862,817.60/862,294,226.40 = 315,944,762.40/x
  3. Step 3: Cross multiply
    574,862,817.60x = 862,294,226.40 × 315,944,762.40
  4. Step 4: Simplify right side
    574,862,817.60x = 272,437,344,478,839,776
  5. Step 5: Solve for x
    x = 272,437,344,478,839,776/574,862,817.60
  6. Step 6: Final answer
    x = 473,917,143.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.