Home / 1,530,031,042.80-2,295,046,564.20-917,811,010.80

Finding the Fourth Proportional to 1,530,031,042.80, 2,295,046,564.20 and 917,811,010.80

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Solution

The fourth proportional to 1,530,031,042.80, 2,295,046,564.20 and 917,811,010.80 is: 1,376,716,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,031,042.80 : 2,295,046,564.20 = 917,811,010.80 : x
  2. Step 2: Convert to fraction form
    1,530,031,042.80/2,295,046,564.20 = 917,811,010.80/x
  3. Step 3: Cross multiply
    1,530,031,042.80x = 2,295,046,564.20 × 917,811,010.80
  4. Step 4: Simplify right side
    1,530,031,042.80x = 2,106,419,006,921,468,928
  5. Step 5: Solve for x
    x = 2,106,419,006,921,468,928/1,530,031,042.80
  6. Step 6: Final answer
    x = 1,376,716,516.20

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Double scale
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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.