Home / 896,919,246.30-1,345,378,869.45-413,189,838.30

Finding the Fourth Proportional to 896,919,246.30, 1,345,378,869.45 and 413,189,838.30

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Solution

The fourth proportional to 896,919,246.30, 1,345,378,869.45 and 413,189,838.30 is: 619,784,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,919,246.30 : 1,345,378,869.45 = 413,189,838.30 : x
  2. Step 2: Convert to fraction form
    896,919,246.30/1,345,378,869.45 = 413,189,838.30/x
  3. Step 3: Cross multiply
    896,919,246.30x = 1,345,378,869.45 × 413,189,838.30
  4. Step 4: Simplify right side
    896,919,246.30x = 555,896,877,520,282,368
  5. Step 5: Solve for x
    x = 555,896,877,520,282,368/896,919,246.30
  6. Step 6: Final answer
    x = 619,784,757.45

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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.