Home / 378,533,570.70-567,853,500.15-119,721,803.70

Finding the Fourth Proportional to 378,533,570.70, 567,853,500.15 and 119,721,803.70

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Solution

The fourth proportional to 378,533,570.70, 567,853,500.15 and 119,721,803.70 is: 179,599,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,533,570.70 : 567,853,500.15 = 119,721,803.70 : x
  2. Step 2: Convert to fraction form
    378,533,570.70/567,853,500.15 = 119,721,803.70/x
  3. Step 3: Cross multiply
    378,533,570.70x = 567,853,500.15 × 119,721,803.70
  4. Step 4: Simplify right side
    378,533,570.70x = 67,984,445,275,316,216
  5. Step 5: Solve for x
    x = 67,984,445,275,316,216/378,533,570.70
  6. Step 6: Final answer
    x = 179,599,513.85

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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.