Home / 749,152,496.16-1,121,489,858.88-453,151,825.92

Finding the Fourth Proportional to 749,152,496.16, 1,121,489,858.88 and 453,151,825.92

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Solution

The fourth proportional to 749,152,496.16, 1,121,489,858.88 and 453,151,825.92 is: 678,373,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,152,496.16 : 1,121,489,858.88 = 453,151,825.92 : x
  2. Step 2: Convert to fraction form
    749,152,496.16/1,121,489,858.88 = 453,151,825.92/x
  3. Step 3: Cross multiply
    749,152,496.16x = 1,121,489,858.88 × 453,151,825.92
  4. Step 4: Simplify right side
    749,152,496.16x = 508,205,177,302,235,200
  5. Step 5: Solve for x
    x = 508,205,177,302,235,200/749,152,496.16
  6. Step 6: Final answer
    x = 678,373,468.56

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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.