Home / 993,536,015.40-1,490,304,023.10-347,236,367.40

Finding the Fourth Proportional to 993,536,015.40, 1,490,304,023.10 and 347,236,367.40

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Solution

The fourth proportional to 993,536,015.40, 1,490,304,023.10 and 347,236,367.40 is: 520,854,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,536,015.40 : 1,490,304,023.10 = 347,236,367.40 : x
  2. Step 2: Convert to fraction form
    993,536,015.40/1,490,304,023.10 = 347,236,367.40/x
  3. Step 3: Cross multiply
    993,536,015.40x = 1,490,304,023.10 × 347,236,367.40
  4. Step 4: Simplify right side
    993,536,015.40x = 517,487,755,302,849,600
  5. Step 5: Solve for x
    x = 517,487,755,302,849,600/993,536,015.40
  6. Step 6: Final answer
    x = 520,854,551.10

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Similar ratio
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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.