Home / 728,161,894.52-1,005,136,679.36-477,282,453.98

Finding the Fourth Proportional to 728,161,894.52, 1,005,136,679.36 and 477,282,453.98

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Solution

The fourth proportional to 728,161,894.52, 1,005,136,679.36 and 477,282,453.98 is: 658,828,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,161,894.52 : 1,005,136,679.36 = 477,282,453.98 : x
  2. Step 2: Convert to fraction form
    728,161,894.52/1,005,136,679.36 = 477,282,453.98/x
  3. Step 3: Cross multiply
    728,161,894.52x = 1,005,136,679.36 × 477,282,453.98
  4. Step 4: Simplify right side
    728,161,894.52x = 479,734,100,903,744,000
  5. Step 5: Solve for x
    x = 479,734,100,903,744,000/728,161,894.52
  6. Step 6: Final answer
    x = 658,828,901.26

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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.