Home / 1,140,280,472.05-1,711,067,744.21-615,642,582.67

Finding the Fourth Proportional to 1,140,280,472.05, 1,711,067,744.21 and 615,642,582.67

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Solution

The fourth proportional to 1,140,280,472.05, 1,711,067,744.21 and 615,642,582.67 is: 923,813,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,280,472.05 : 1,711,067,744.21 = 615,642,582.67 : x
  2. Step 2: Convert to fraction form
    1,140,280,472.05/1,711,067,744.21 = 615,642,582.67/x
  3. Step 3: Cross multiply
    1,140,280,472.05x = 1,711,067,744.21 × 615,642,582.67
  4. Step 4: Simplify right side
    1,140,280,472.05x = 1,053,406,165,165,697,024
  5. Step 5: Solve for x
    x = 1,053,406,165,165,697,024/1,140,280,472.05
  6. Step 6: Final answer
    x = 923,813,211.74

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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.