Home / 979,289,999.20-1,468,934,998.80-923,169,829.60

Finding the Fourth Proportional to 979,289,999.20, 1,468,934,998.80 and 923,169,829.60

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Solution

The fourth proportional to 979,289,999.20, 1,468,934,998.80 and 923,169,829.60 is: 1,384,754,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,289,999.20 : 1,468,934,998.80 = 923,169,829.60 : x
  2. Step 2: Convert to fraction form
    979,289,999.20/1,468,934,998.80 = 923,169,829.60/x
  3. Step 3: Cross multiply
    979,289,999.20x = 1,468,934,998.80 × 923,169,829.60
  4. Step 4: Simplify right side
    979,289,999.20x = 1,356,076,472,535,672,320
  5. Step 5: Solve for x
    x = 1,356,076,472,535,672,320/979,289,999.20
  6. Step 6: Final answer
    x = 1,384,754,744.40

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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.