Home / 787,289,453.60-1,180,934,180.40-729,958,560.80

Finding the Fourth Proportional to 787,289,453.60, 1,180,934,180.40 and 729,958,560.80

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Solution

The fourth proportional to 787,289,453.60, 1,180,934,180.40 and 729,958,560.80 is: 1,094,937,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,289,453.60 : 1,180,934,180.40 = 729,958,560.80 : x
  2. Step 2: Convert to fraction form
    787,289,453.60/1,180,934,180.40 = 729,958,560.80/x
  3. Step 3: Cross multiply
    787,289,453.60x = 1,180,934,180.40 × 729,958,560.80
  4. Step 4: Simplify right side
    787,289,453.60x = 862,033,014,724,311,552
  5. Step 5: Solve for x
    x = 862,033,014,724,311,552/787,289,453.60
  6. Step 6: Final answer
    x = 1,094,937,841.20

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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.