Home / 918,008,408.10-1,377,012,612.15-837,654,528.90

Finding the Fourth Proportional to 918,008,408.10, 1,377,012,612.15 and 837,654,528.90

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Solution

The fourth proportional to 918,008,408.10, 1,377,012,612.15 and 837,654,528.90 is: 1,256,481,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,008,408.10 : 1,377,012,612.15 = 837,654,528.90 : x
  2. Step 2: Convert to fraction form
    918,008,408.10/1,377,012,612.15 = 837,654,528.90/x
  3. Step 3: Cross multiply
    918,008,408.10x = 1,377,012,612.15 × 837,654,528.90
  4. Step 4: Simplify right side
    918,008,408.10x = 1,153,460,850,919,866,624
  5. Step 5: Solve for x
    x = 1,153,460,850,919,866,624/918,008,408.10
  6. Step 6: Final answer
    x = 1,256,481,793.35

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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.