Home / 804,588,770.40-1,206,883,155.60-396,442,082.40

Finding the Fourth Proportional to 804,588,770.40, 1,206,883,155.60 and 396,442,082.40

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Solution

The fourth proportional to 804,588,770.40, 1,206,883,155.60 and 396,442,082.40 is: 594,663,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,588,770.40 : 1,206,883,155.60 = 396,442,082.40 : x
  2. Step 2: Convert to fraction form
    804,588,770.40/1,206,883,155.60 = 396,442,082.40/x
  3. Step 3: Cross multiply
    804,588,770.40x = 1,206,883,155.60 × 396,442,082.40
  4. Step 4: Simplify right side
    804,588,770.40x = 478,459,271,419,547,136
  5. Step 5: Solve for x
    x = 478,459,271,419,547,136/804,588,770.40
  6. Step 6: Final answer
    x = 594,663,123.60

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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.