Home / 918,457,622.10-1,377,686,433.15-660,177,296.10

Finding the Fourth Proportional to 918,457,622.10, 1,377,686,433.15 and 660,177,296.10

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Solution

The fourth proportional to 918,457,622.10, 1,377,686,433.15 and 660,177,296.10 is: 990,265,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,457,622.10 : 1,377,686,433.15 = 660,177,296.10 : x
  2. Step 2: Convert to fraction form
    918,457,622.10/1,377,686,433.15 = 660,177,296.10/x
  3. Step 3: Cross multiply
    918,457,622.10x = 1,377,686,433.15 × 660,177,296.10
  4. Step 4: Simplify right side
    918,457,622.10x = 909,517,304,310,620,544
  5. Step 5: Solve for x
    x = 909,517,304,310,620,544/918,457,622.10
  6. Step 6: Final answer
    x = 990,265,944.15

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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.