Home / 705,107,267.32-972,022,503.90-492,754,810.72

Finding the Fourth Proportional to 705,107,267.32, 972,022,503.90 and 492,754,810.72

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Solution

The fourth proportional to 705,107,267.32, 972,022,503.90 and 492,754,810.72 is: 679,284,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,107,267.32 : 972,022,503.90 = 492,754,810.72 : x
  2. Step 2: Convert to fraction form
    705,107,267.32/972,022,503.90 = 492,754,810.72/x
  3. Step 3: Cross multiply
    705,107,267.32x = 972,022,503.90 × 492,754,810.72
  4. Step 4: Simplify right side
    705,107,267.32x = 478,968,764,924,824,960
  5. Step 5: Solve for x
    x = 478,968,764,924,824,960/705,107,267.32
  6. Step 6: Final answer
    x = 679,284,964.32

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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.