Home / 1,425,754,140.80-2,138,332,612.80-699,264,233.60

Finding the Fourth Proportional to 1,425,754,140.80, 2,138,332,612.80 and 699,264,233.60

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Solution

The fourth proportional to 1,425,754,140.80, 2,138,332,612.80 and 699,264,233.60 is: 1,048,749,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,754,140.80 : 2,138,332,612.80 = 699,264,233.60 : x
  2. Step 2: Convert to fraction form
    1,425,754,140.80/2,138,332,612.80 = 699,264,233.60/x
  3. Step 3: Cross multiply
    1,425,754,140.80x = 2,138,332,612.80 × 699,264,233.60
  4. Step 4: Simplify right side
    1,425,754,140.80x = 1,495,259,515,671,477,504
  5. Step 5: Solve for x
    x = 1,495,259,515,671,477,504/1,425,754,140.80
  6. Step 6: Final answer
    x = 1,048,749,902.16

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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.