Home / 1,011,175,688.40-1,517,141,446.20-398,187,232.08

Finding the Fourth Proportional to 1,011,175,688.40, 1,517,141,446.20 and 398,187,232.08

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Solution

The fourth proportional to 1,011,175,688.40, 1,517,141,446.20 and 398,187,232.08 is: 597,429,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,175,688.40 : 1,517,141,446.20 = 398,187,232.08 : x
  2. Step 2: Convert to fraction form
    1,011,175,688.40/1,517,141,446.20 = 398,187,232.08/x
  3. Step 3: Cross multiply
    1,011,175,688.40x = 1,517,141,446.20 × 398,187,232.08
  4. Step 4: Simplify right side
    1,011,175,688.40x = 604,106,353,136,226,176
  5. Step 5: Solve for x
    x = 604,106,353,136,226,176/1,011,175,688.40
  6. Step 6: Final answer
    x = 597,429,665.36

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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.