Home / 6,442,339,717.69-8,890,289,500.78-3,729,721,903.07

Finding the Fourth Proportional to 6,442,339,717.69, 8,890,289,500.78 and 3,729,721,903.07

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Solution

The fourth proportional to 6,442,339,717.69, 8,890,289,500.78 and 3,729,721,903.07 is: 5,146,935,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,339,717.69 : 8,890,289,500.78 = 3,729,721,903.07 : x
  2. Step 2: Convert to fraction form
    6,442,339,717.69/8,890,289,500.78 = 3,729,721,903.07/x
  3. Step 3: Cross multiply
    6,442,339,717.69x = 8,890,289,500.78 × 3,729,721,903.07
  4. Step 4: Simplify right side
    6,442,339,717.69x = 33,158,307,475,701,342,208
  5. Step 5: Solve for x
    x = 33,158,307,475,701,342,208/6,442,339,717.69
  6. Step 6: Final answer
    x = 5,146,935,574.46

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Double scale
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1.5x scale

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.