Home / 580,213,785.96-870,320,678.94-397,908,265.32

Finding the Fourth Proportional to 580,213,785.96, 870,320,678.94 and 397,908,265.32

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Solution

The fourth proportional to 580,213,785.96, 870,320,678.94 and 397,908,265.32 is: 596,862,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,213,785.96 : 870,320,678.94 = 397,908,265.32 : x
  2. Step 2: Convert to fraction form
    580,213,785.96/870,320,678.94 = 397,908,265.32/x
  3. Step 3: Cross multiply
    580,213,785.96x = 870,320,678.94 × 397,908,265.32
  4. Step 4: Simplify right side
    580,213,785.96x = 346,307,791,629,140,096
  5. Step 5: Solve for x
    x = 346,307,791,629,140,096/580,213,785.96
  6. Step 6: Final answer
    x = 596,862,397.98

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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.