Home / 749,288,626.55-1,121,780,603.78-458,723,259.80

Finding the Fourth Proportional to 749,288,626.55, 1,121,780,603.78 and 458,723,259.80

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Solution

The fourth proportional to 749,288,626.55, 1,121,780,603.78 and 458,723,259.80 is: 686,767,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,288,626.55 : 1,121,780,603.78 = 458,723,259.80 : x
  2. Step 2: Convert to fraction form
    749,288,626.55/1,121,780,603.78 = 458,723,259.80/x
  3. Step 3: Cross multiply
    749,288,626.55x = 1,121,780,603.78 × 458,723,259.80
  4. Step 4: Simplify right side
    749,288,626.55x = 514,586,855,344,080,256
  5. Step 5: Solve for x
    x = 514,586,855,344,080,256/749,288,626.55
  6. Step 6: Final answer
    x = 686,767,204.40

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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.