Home / 9,243,740,139.41-12,755,285,221.18-5,174,864,650.69

Finding the Fourth Proportional to 9,243,740,139.41, 12,755,285,221.18 and 5,174,864,650.69

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Solution

The fourth proportional to 9,243,740,139.41, 12,755,285,221.18 and 5,174,864,650.69 is: 7,140,710,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243,740,139.41 : 12,755,285,221.18 = 5,174,864,650.69 : x
  2. Step 2: Convert to fraction form
    9,243,740,139.41/12,755,285,221.18 = 5,174,864,650.69/x
  3. Step 3: Cross multiply
    9,243,740,139.41x = 12,755,285,221.18 × 5,174,864,650.69
  4. Step 4: Simplify right side
    9,243,740,139.41x = 66,006,874,600,552,955,904
  5. Step 5: Solve for x
    x = 66,006,874,600,552,955,904/9,243,740,139.41
  6. Step 6: Final answer
    x = 7,140,710,751.82

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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.