Home / 897,690,943.20-1,347,386,720.40-553,317,175.20

Finding the Fourth Proportional to 897,690,943.20, 1,347,386,720.40 and 553,317,175.20

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Solution

The fourth proportional to 897,690,943.20, 1,347,386,720.40 and 553,317,175.20 is: 830,499,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,690,943.20 : 1,347,386,720.40 = 553,317,175.20 : x
  2. Step 2: Convert to fraction form
    897,690,943.20/1,347,386,720.40 = 553,317,175.20/x
  3. Step 3: Cross multiply
    897,690,943.20x = 1,347,386,720.40 × 553,317,175.20
  4. Step 4: Simplify right side
    897,690,943.20x = 745,532,214,033,720,320
  5. Step 5: Solve for x
    x = 745,532,214,033,720,320/897,690,943.20
  6. Step 6: Final answer
    x = 830,499,872.68

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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.