Home / 912,528,070.40-1,368,792,105.60-880,279,443.20

Finding the Fourth Proportional to 912,528,070.40, 1,368,792,105.60 and 880,279,443.20

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Solution

The fourth proportional to 912,528,070.40, 1,368,792,105.60 and 880,279,443.20 is: 1,320,419,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,528,070.40 : 1,368,792,105.60 = 880,279,443.20 : x
  2. Step 2: Convert to fraction form
    912,528,070.40/1,368,792,105.60 = 880,279,443.20/x
  3. Step 3: Cross multiply
    912,528,070.40x = 1,368,792,105.60 × 880,279,443.20
  4. Step 4: Simplify right side
    912,528,070.40x = 1,204,919,552,574,123,520
  5. Step 5: Solve for x
    x = 1,204,919,552,574,123,520/912,528,070.40
  6. Step 6: Final answer
    x = 1,320,419,164.80

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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.