Home / 993,536,140.40-1,490,304,210.60-347,236,492.40

Finding the Fourth Proportional to 993,536,140.40, 1,490,304,210.60 and 347,236,492.40

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Solution

The fourth proportional to 993,536,140.40, 1,490,304,210.60 and 347,236,492.40 is: 520,854,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,536,140.40 : 1,490,304,210.60 = 347,236,492.40 : x
  2. Step 2: Convert to fraction form
    993,536,140.40/1,490,304,210.60 = 347,236,492.40/x
  3. Step 3: Cross multiply
    993,536,140.40x = 1,490,304,210.60 × 347,236,492.40
  4. Step 4: Simplify right side
    993,536,140.40x = 517,488,006,697,694,848
  5. Step 5: Solve for x
    x = 517,488,006,697,694,848/993,536,140.40
  6. Step 6: Final answer
    x = 520,854,738.60

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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.