Home / 826,918,621.20-1,240,377,931.80-750,391,117.20

Finding the Fourth Proportional to 826,918,621.20, 1,240,377,931.80 and 750,391,117.20

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Solution

The fourth proportional to 826,918,621.20, 1,240,377,931.80 and 750,391,117.20 is: 1,125,586,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,918,621.20 : 1,240,377,931.80 = 750,391,117.20 : x
  2. Step 2: Convert to fraction form
    826,918,621.20/1,240,377,931.80 = 750,391,117.20/x
  3. Step 3: Cross multiply
    826,918,621.20x = 1,240,377,931.80 × 750,391,117.20
  4. Step 4: Simplify right side
    826,918,621.20x = 930,768,581,993,627,392
  5. Step 5: Solve for x
    x = 930,768,581,993,627,392/826,918,621.20
  6. Step 6: Final answer
    x = 1,125,586,675.80

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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.