Home / 747,307,368.90-1,120,955,148.45-194,608,728.90

Finding the Fourth Proportional to 747,307,368.90, 1,120,955,148.45 and 194,608,728.90

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Solution

The fourth proportional to 747,307,368.90, 1,120,955,148.45 and 194,608,728.90 is: 291,911,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,307,368.90 : 1,120,955,148.45 = 194,608,728.90 : x
  2. Step 2: Convert to fraction form
    747,307,368.90/1,120,955,148.45 = 194,608,728.90/x
  3. Step 3: Cross multiply
    747,307,368.90x = 1,120,955,148.45 × 194,608,728.90
  4. Step 4: Simplify right side
    747,307,368.90x = 218,147,656,593,765,312
  5. Step 5: Solve for x
    x = 218,147,656,593,765,312/747,307,368.90
  6. Step 6: Final answer
    x = 291,911,555.64

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1.5x scale

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.