Home / 407,146,521.60-610,719,782.40-292,355,265.60

Finding the Fourth Proportional to 407,146,521.60, 610,719,782.40 and 292,355,265.60

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Solution

The fourth proportional to 407,146,521.60, 610,719,782.40 and 292,355,265.60 is: 438,532,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,146,521.60 : 610,719,782.40 = 292,355,265.60 : x
  2. Step 2: Convert to fraction form
    407,146,521.60/610,719,782.40 = 292,355,265.60/x
  3. Step 3: Cross multiply
    407,146,521.60x = 610,719,782.40 × 292,355,265.60
  4. Step 4: Simplify right side
    407,146,521.60x = 178,547,144,190,726,208
  5. Step 5: Solve for x
    x = 178,547,144,190,726,208/407,146,521.60
  6. Step 6: Final answer
    x = 438,532,898.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.