Home / 1,490,259,626.70-2,235,389,440.05-508,794,387.90

Finding the Fourth Proportional to 1,490,259,626.70, 2,235,389,440.05 and 508,794,387.90

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Solution

The fourth proportional to 1,490,259,626.70, 2,235,389,440.05 and 508,794,387.90 is: 763,191,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,259,626.70 : 2,235,389,440.05 = 508,794,387.90 : x
  2. Step 2: Convert to fraction form
    1,490,259,626.70/2,235,389,440.05 = 508,794,387.90/x
  3. Step 3: Cross multiply
    1,490,259,626.70x = 2,235,389,440.05 × 508,794,387.90
  4. Step 4: Simplify right side
    1,490,259,626.70x = 1,137,353,601,868,363,520
  5. Step 5: Solve for x
    x = 1,137,353,601,868,363,520/1,490,259,626.70
  6. Step 6: Final answer
    x = 763,191,581.85

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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.