Home / 1,009,543,967.66-1,516,979,135.24-543,549,926.81

Finding the Fourth Proportional to 1,009,543,967.66, 1,516,979,135.24 and 543,549,926.81

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Solution

The fourth proportional to 1,009,543,967.66, 1,516,979,135.24 and 543,549,926.81 is: 816,758,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,543,967.66 : 1,516,979,135.24 = 543,549,926.81 : x
  2. Step 2: Convert to fraction form
    1,009,543,967.66/1,516,979,135.24 = 543,549,926.81/x
  3. Step 3: Cross multiply
    1,009,543,967.66x = 1,516,979,135.24 × 543,549,926.81
  4. Step 4: Simplify right side
    1,009,543,967.66x = 824,553,897,931,998,976
  5. Step 5: Solve for x
    x = 824,553,897,931,998,976/1,009,543,967.66
  6. Step 6: Final answer
    x = 816,758,778.56

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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.