Home / 1,341,118,581.17-2,011,524,632.62-358,621,737.87

Finding the Fourth Proportional to 1,341,118,581.17, 2,011,524,632.62 and 358,621,737.87

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Solution

The fourth proportional to 1,341,118,581.17, 2,011,524,632.62 and 358,621,737.87 is: 537,891,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,118,581.17 : 2,011,524,632.62 = 358,621,737.87 : x
  2. Step 2: Convert to fraction form
    1,341,118,581.17/2,011,524,632.62 = 358,621,737.87/x
  3. Step 3: Cross multiply
    1,341,118,581.17x = 2,011,524,632.62 × 358,621,737.87
  4. Step 4: Simplify right side
    1,341,118,581.17x = 721,376,459,517,601,152
  5. Step 5: Solve for x
    x = 721,376,459,517,601,152/1,341,118,581.17
  6. Step 6: Final answer
    x = 537,891,629.90

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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.