Home / 485,112,019.60-727,668,029.40-194,118,547.60

Finding the Fourth Proportional to 485,112,019.60, 727,668,029.40 and 194,118,547.60

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Solution

The fourth proportional to 485,112,019.60, 727,668,029.40 and 194,118,547.60 is: 291,177,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,112,019.60 : 727,668,029.40 = 194,118,547.60 : x
  2. Step 2: Convert to fraction form
    485,112,019.60/727,668,029.40 = 194,118,547.60/x
  3. Step 3: Cross multiply
    485,112,019.60x = 727,668,029.40 × 194,118,547.60
  4. Step 4: Simplify right side
    485,112,019.60x = 141,253,861,002,082,096
  5. Step 5: Solve for x
    x = 141,253,861,002,082,096/485,112,019.60
  6. Step 6: Final answer
    x = 291,177,821.40

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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.