Home / 1,448,239,477.70-2,172,359,216.55-357,722,545.70

Finding the Fourth Proportional to 1,448,239,477.70, 2,172,359,216.55 and 357,722,545.70

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Solution

The fourth proportional to 1,448,239,477.70, 2,172,359,216.55 and 357,722,545.70 is: 536,583,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,239,477.70 : 2,172,359,216.55 = 357,722,545.70 : x
  2. Step 2: Convert to fraction form
    1,448,239,477.70/2,172,359,216.55 = 357,722,545.70/x
  3. Step 3: Cross multiply
    1,448,239,477.70x = 2,172,359,216.55 × 357,722,545.70
  4. Step 4: Simplify right side
    1,448,239,477.70x = 777,101,869,119,123,584
  5. Step 5: Solve for x
    x = 777,101,869,119,123,584/1,448,239,477.70
  6. Step 6: Final answer
    x = 536,583,818.55

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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.