Home / 912,389,929.60-1,368,584,894.40-904,327,772.80

Finding the Fourth Proportional to 912,389,929.60, 1,368,584,894.40 and 904,327,772.80

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Solution

The fourth proportional to 912,389,929.60, 1,368,584,894.40 and 904,327,772.80 is: 1,356,491,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,389,929.60 : 1,368,584,894.40 = 904,327,772.80 : x
  2. Step 2: Convert to fraction form
    912,389,929.60/1,368,584,894.40 = 904,327,772.80/x
  3. Step 3: Cross multiply
    912,389,929.60x = 1,368,584,894.40 × 904,327,772.80
  4. Step 4: Simplify right side
    912,389,929.60x = 1,237,649,329,440,475,136
  5. Step 5: Solve for x
    x = 1,237,649,329,440,475,136/912,389,929.60
  6. Step 6: Final answer
    x = 1,356,491,659.20

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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.