Home / 667,246,191.36-920,799,724.13-369,887,680.02

Finding the Fourth Proportional to 667,246,191.36, 920,799,724.13 and 369,887,680.02

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Solution

The fourth proportional to 667,246,191.36, 920,799,724.13 and 369,887,680.02 is: 510,444,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,246,191.36 : 920,799,724.13 = 369,887,680.02 : x
  2. Step 2: Convert to fraction form
    667,246,191.36/920,799,724.13 = 369,887,680.02/x
  3. Step 3: Cross multiply
    667,246,191.36x = 920,799,724.13 × 369,887,680.02
  4. Step 4: Simplify right side
    667,246,191.36x = 340,592,473,721,501,696
  5. Step 5: Solve for x
    x = 340,592,473,721,501,696/667,246,191.36
  6. Step 6: Final answer
    x = 510,444,987.37

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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.