Home / 804,816,013.60-1,207,224,020.40-668,767,117.60

Finding the Fourth Proportional to 804,816,013.60, 1,207,224,020.40 and 668,767,117.60

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Solution

The fourth proportional to 804,816,013.60, 1,207,224,020.40 and 668,767,117.60 is: 1,003,150,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,013.60 : 1,207,224,020.40 = 668,767,117.60 : x
  2. Step 2: Convert to fraction form
    804,816,013.60/1,207,224,020.40 = 668,767,117.60/x
  3. Step 3: Cross multiply
    804,816,013.60x = 1,207,224,020.40 × 668,767,117.60
  4. Step 4: Simplify right side
    804,816,013.60x = 807,351,728,420,391,680
  5. Step 5: Solve for x
    x = 807,351,728,420,391,680/804,816,013.60
  6. Step 6: Final answer
    x = 1,003,150,676.40

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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.