Home / 1,345,602,516.30-2,018,781,688.05-655,532,282.70

Finding the Fourth Proportional to 1,345,602,516.30, 2,018,781,688.05 and 655,532,282.70

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Solution

The fourth proportional to 1,345,602,516.30, 2,018,781,688.05 and 655,532,282.70 is: 983,482,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,602,516.30 : 2,018,781,688.05 = 655,532,282.70 : x
  2. Step 2: Convert to fraction form
    1,345,602,516.30/2,018,781,688.05 = 655,532,282.70/x
  3. Step 3: Cross multiply
    1,345,602,516.30x = 2,018,781,688.05 × 655,532,282.70
  4. Step 4: Simplify right side
    1,345,602,516.30x = 1,323,376,568,240,375,808
  5. Step 5: Solve for x
    x = 1,323,376,568,240,375,808/1,345,602,516.30
  6. Step 6: Final answer
    x = 983,482,530.84

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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.