Home / 1,247,826,444.16-1,722,097,444.80-690,961,302.40

Finding the Fourth Proportional to 1,247,826,444.16, 1,722,097,444.80 and 690,961,302.40

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Solution

The fourth proportional to 1,247,826,444.16, 1,722,097,444.80 and 690,961,302.40 is: 953,580,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,826,444.16 : 1,722,097,444.80 = 690,961,302.40 : x
  2. Step 2: Convert to fraction form
    1,247,826,444.16/1,722,097,444.80 = 690,961,302.40/x
  3. Step 3: Cross multiply
    1,247,826,444.16x = 1,722,097,444.80 × 690,961,302.40
  4. Step 4: Simplify right side
    1,247,826,444.16x = 1,189,902,693,318,720,000
  5. Step 5: Solve for x
    x = 1,189,902,693,318,720,000/1,247,826,444.16
  6. Step 6: Final answer
    x = 953,580,282.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.