Home / 749,241,839.55-1,033,931,292.21-414,728,073.57

Finding the Fourth Proportional to 749,241,839.55, 1,033,931,292.21 and 414,728,073.57

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Solution

The fourth proportional to 749,241,839.55, 1,033,931,292.21 and 414,728,073.57 is: 572,312,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,241,839.55 : 1,033,931,292.21 = 414,728,073.57 : x
  2. Step 2: Convert to fraction form
    749,241,839.55/1,033,931,292.21 = 414,728,073.57/x
  3. Step 3: Cross multiply
    749,241,839.55x = 1,033,931,292.21 × 414,728,073.57
  4. Step 4: Simplify right side
    749,241,839.55x = 428,800,333,021,994,048
  5. Step 5: Solve for x
    x = 428,800,333,021,994,048/749,241,839.55
  6. Step 6: Final answer
    x = 572,312,316.78

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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.