Home / 5,246,278,138.70-7,870,299,006.45-1,566,155,501.90

Finding the Fourth Proportional to 5,246,278,138.70, 7,870,299,006.45 and 1,566,155,501.90

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Solution

The fourth proportional to 5,246,278,138.70, 7,870,299,006.45 and 1,566,155,501.90 is: 2,349,496,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246,278,138.70 : 7,870,299,006.45 = 1,566,155,501.90 : x
  2. Step 2: Convert to fraction form
    5,246,278,138.70/7,870,299,006.45 = 1,566,155,501.90/x
  3. Step 3: Cross multiply
    5,246,278,138.70x = 7,870,299,006.45 × 1,566,155,501.90
  4. Step 4: Simplify right side
    5,246,278,138.70x = 12,326,112,090,549,772,288
  5. Step 5: Solve for x
    x = 12,326,112,090,549,772,288/5,246,278,138.70
  6. Step 6: Final answer
    x = 2,349,496,493.45

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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.