Home / 7,070,088,002.22-9,757,156,938.56-3,898,262,109.87

Finding the Fourth Proportional to 7,070,088,002.22, 9,757,156,938.56 and 3,898,262,109.87

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Solution

The fourth proportional to 7,070,088,002.22, 9,757,156,938.56 and 3,898,262,109.87 is: 5,379,841,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070,088,002.22 : 9,757,156,938.56 = 3,898,262,109.87 : x
  2. Step 2: Convert to fraction form
    7,070,088,002.22/9,757,156,938.56 = 3,898,262,109.87/x
  3. Step 3: Cross multiply
    7,070,088,002.22x = 9,757,156,938.56 × 3,898,262,109.87
  4. Step 4: Simplify right side
    7,070,088,002.22x = 38,035,955,193,624,125,440
  5. Step 5: Solve for x
    x = 38,035,955,193,624,125,440/7,070,088,002.22
  6. Step 6: Final answer
    x = 5,379,841,832.48

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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.