Home / 862,306,233.60-1,293,648,307.20-425,816,025.60

Finding the Fourth Proportional to 862,306,233.60, 1,293,648,307.20 and 425,816,025.60

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Solution

The fourth proportional to 862,306,233.60, 1,293,648,307.20 and 425,816,025.60 is: 638,817,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,306,233.60 : 1,293,648,307.20 = 425,816,025.60 : x
  2. Step 2: Convert to fraction form
    862,306,233.60/1,293,648,307.20 = 425,816,025.60/x
  3. Step 3: Cross multiply
    862,306,233.60x = 1,293,648,307.20 × 425,816,025.60
  4. Step 4: Simplify right side
    862,306,233.60x = 550,856,180,696,071,936
  5. Step 5: Solve for x
    x = 550,856,180,696,071,936/862,306,233.60
  6. Step 6: Final answer
    x = 638,817,347.29

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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.