Home / 10,133,753,040.60-13,984,578,973.90-5,617,620,649.72

Finding the Fourth Proportional to 10,133,753,040.60, 13,984,578,973.90 and 5,617,620,649.72

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Solution

The fourth proportional to 10,133,753,040.60, 13,984,578,973.90 and 5,617,620,649.72 is: 7,752,316,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133,753,040.60 : 13,984,578,973.90 = 5,617,620,649.72 : x
  2. Step 2: Convert to fraction form
    10,133,753,040.60/13,984,578,973.90 = 5,617,620,649.72/x
  3. Step 3: Cross multiply
    10,133,753,040.60x = 13,984,578,973.90 × 5,617,620,649.72
  4. Step 4: Simplify right side
    10,133,753,040.60x = 78,560,059,621,445,959,680
  5. Step 5: Solve for x
    x = 78,560,059,621,445,959,680/10,133,753,040.60
  6. Step 6: Final answer
    x = 7,752,316,373.48

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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.