Home / 731,181,219.06-1,009,030,082.31-417,922,159.06

Finding the Fourth Proportional to 731,181,219.06, 1,009,030,082.31 and 417,922,159.06

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Solution

The fourth proportional to 731,181,219.06, 1,009,030,082.31 and 417,922,159.06 is: 576,732,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,181,219.06 : 1,009,030,082.31 = 417,922,159.06 : x
  2. Step 2: Convert to fraction form
    731,181,219.06/1,009,030,082.31 = 417,922,159.06/x
  3. Step 3: Cross multiply
    731,181,219.06x = 1,009,030,082.31 × 417,922,159.06
  4. Step 4: Simplify right side
    731,181,219.06x = 421,696,030,556,745,920
  5. Step 5: Solve for x
    x = 421,696,030,556,745,920/731,181,219.06
  6. Step 6: Final answer
    x = 576,732,579.51

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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.