Home / 472,392,669.60-708,589,004.40-434,979,223.20

Finding the Fourth Proportional to 472,392,669.60, 708,589,004.40 and 434,979,223.20

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Solution

The fourth proportional to 472,392,669.60, 708,589,004.40 and 434,979,223.20 is: 652,468,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,669.60 : 708,589,004.40 = 434,979,223.20 : x
  2. Step 2: Convert to fraction form
    472,392,669.60/708,589,004.40 = 434,979,223.20/x
  3. Step 3: Cross multiply
    472,392,669.60x = 708,589,004.40 × 434,979,223.20
  4. Step 4: Simplify right side
    472,392,669.60x = 308,221,494,701,973,376
  5. Step 5: Solve for x
    x = 308,221,494,701,973,376/472,392,669.60
  6. Step 6: Final answer
    x = 652,468,834.80

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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.