Home / 492,276,837.26-679,551,210.54-306,729,526.52

Finding the Fourth Proportional to 492,276,837.26, 679,551,210.54 and 306,729,526.52

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Solution

The fourth proportional to 492,276,837.26, 679,551,210.54 and 306,729,526.52 is: 423,417,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,276,837.26 : 679,551,210.54 = 306,729,526.52 : x
  2. Step 2: Convert to fraction form
    492,276,837.26/679,551,210.54 = 306,729,526.52/x
  3. Step 3: Cross multiply
    492,276,837.26x = 679,551,210.54 × 306,729,526.52
  4. Step 4: Simplify right side
    492,276,837.26x = 208,438,421,055,027,008
  5. Step 5: Solve for x
    x = 208,438,421,055,027,008/492,276,837.26
  6. Step 6: Final answer
    x = 423,417,080.14

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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.