Home / 1,006,456,806.13-1,388,897,150.58-554,326,092.67

Finding the Fourth Proportional to 1,006,456,806.13, 1,388,897,150.58 and 554,326,092.67

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Solution

The fourth proportional to 1,006,456,806.13, 1,388,897,150.58 and 554,326,092.67 is: 764,962,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,456,806.13 : 1,388,897,150.58 = 554,326,092.67 : x
  2. Step 2: Convert to fraction form
    1,006,456,806.13/1,388,897,150.58 = 554,326,092.67/x
  3. Step 3: Cross multiply
    1,006,456,806.13x = 1,388,897,150.58 × 554,326,092.67
  4. Step 4: Simplify right side
    1,006,456,806.13x = 769,901,930,601,507,968
  5. Step 5: Solve for x
    x = 769,901,930,601,507,968/1,006,456,806.13
  6. Step 6: Final answer
    x = 764,962,714.66

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Double scale
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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.