Home / 417,312,010.40-625,968,015.60-144,592,138.40

Finding the Fourth Proportional to 417,312,010.40, 625,968,015.60 and 144,592,138.40

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Solution

The fourth proportional to 417,312,010.40, 625,968,015.60 and 144,592,138.40 is: 216,888,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,312,010.40 : 625,968,015.60 = 144,592,138.40 : x
  2. Step 2: Convert to fraction form
    417,312,010.40/625,968,015.60 = 144,592,138.40/x
  3. Step 3: Cross multiply
    417,312,010.40x = 625,968,015.60 × 144,592,138.40
  4. Step 4: Simplify right side
    417,312,010.40x = 90,510,053,945,608,560
  5. Step 5: Solve for x
    x = 90,510,053,945,608,560/417,312,010.40
  6. Step 6: Final answer
    x = 216,888,207.60

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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.