Home / 887,559,306.60-1,331,338,959.90-402,885,114.60

Finding the Fourth Proportional to 887,559,306.60, 1,331,338,959.90 and 402,885,114.60

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Solution

The fourth proportional to 887,559,306.60, 1,331,338,959.90 and 402,885,114.60 is: 604,327,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,559,306.60 : 1,331,338,959.90 = 402,885,114.60 : x
  2. Step 2: Convert to fraction form
    887,559,306.60/1,331,338,959.90 = 402,885,114.60/x
  3. Step 3: Cross multiply
    887,559,306.60x = 1,331,338,959.90 × 402,885,114.60
  4. Step 4: Simplify right side
    887,559,306.60x = 536,376,649,430,756,352
  5. Step 5: Solve for x
    x = 536,376,649,430,756,352/887,559,306.60
  6. Step 6: Final answer
    x = 604,327,671.90

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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.