Home / 912,528,089.40-1,368,792,134.10-880,279,462.20

Finding the Fourth Proportional to 912,528,089.40, 1,368,792,134.10 and 880,279,462.20

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Solution

The fourth proportional to 912,528,089.40, 1,368,792,134.10 and 880,279,462.20 is: 1,320,419,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,528,089.40 : 1,368,792,134.10 = 880,279,462.20 : x
  2. Step 2: Convert to fraction form
    912,528,089.40/1,368,792,134.10 = 880,279,462.20/x
  3. Step 3: Cross multiply
    912,528,089.40x = 1,368,792,134.10 × 880,279,462.20
  4. Step 4: Simplify right side
    912,528,089.40x = 1,204,919,603,669,138,176
  5. Step 5: Solve for x
    x = 1,204,919,603,669,138,176/912,528,089.40
  6. Step 6: Final answer
    x = 1,320,419,193.30

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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.