Home / 977,897,715.30-1,466,846,572.95-909,022,961.70

Finding the Fourth Proportional to 977,897,715.30, 1,466,846,572.95 and 909,022,961.70

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Solution

The fourth proportional to 977,897,715.30, 1,466,846,572.95 and 909,022,961.70 is: 1,363,534,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,897,715.30 : 1,466,846,572.95 = 909,022,961.70 : x
  2. Step 2: Convert to fraction form
    977,897,715.30/1,466,846,572.95 = 909,022,961.70/x
  3. Step 3: Cross multiply
    977,897,715.30x = 1,466,846,572.95 × 909,022,961.70
  4. Step 4: Simplify right side
    977,897,715.30x = 1,333,397,216,102,504,192
  5. Step 5: Solve for x
    x = 1,333,397,216,102,504,192/977,897,715.30
  6. Step 6: Final answer
    x = 1,363,534,442.55

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Double scale
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1.5x scale

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.