Home / 661,254,235.41-912,325,410.05-375,098,600.25

Finding the Fourth Proportional to 661,254,235.41, 912,325,410.05 and 375,098,600.25

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Solution

The fourth proportional to 661,254,235.41, 912,325,410.05 and 375,098,600.25 is: 517,519,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,254,235.41 : 912,325,410.05 = 375,098,600.25 : x
  2. Step 2: Convert to fraction form
    661,254,235.41/912,325,410.05 = 375,098,600.25/x
  3. Step 3: Cross multiply
    661,254,235.41x = 912,325,410.05 × 375,098,600.25
  4. Step 4: Simplify right side
    661,254,235.41x = 342,211,984,280,386,752
  5. Step 5: Solve for x
    x = 342,211,984,280,386,752/661,254,235.41
  6. Step 6: Final answer
    x = 517,519,534.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.