Home / 459,856,017.35-689,750,660.13-179,684,250.87

Finding the Fourth Proportional to 459,856,017.35, 689,750,660.13 and 179,684,250.87

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Solution

The fourth proportional to 459,856,017.35, 689,750,660.13 and 179,684,250.87 is: 269,513,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,856,017.35 : 689,750,660.13 = 179,684,250.87 : x
  2. Step 2: Convert to fraction form
    459,856,017.35/689,750,660.13 = 179,684,250.87/x
  3. Step 3: Cross multiply
    459,856,017.35x = 689,750,660.13 × 179,684,250.87
  4. Step 4: Simplify right side
    459,856,017.35x = 123,937,330,652,547,024
  5. Step 5: Solve for x
    x = 123,937,330,652,547,024/459,856,017.35
  6. Step 6: Final answer
    x = 269,513,338.91

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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.