Home / 472,393,963.60-708,590,945.40-434,980,517.20

Finding the Fourth Proportional to 472,393,963.60, 708,590,945.40 and 434,980,517.20

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Solution

The fourth proportional to 472,393,963.60, 708,590,945.40 and 434,980,517.20 is: 652,470,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,963.60 : 708,590,945.40 = 434,980,517.20 : x
  2. Step 2: Convert to fraction form
    472,393,963.60/708,590,945.40 = 434,980,517.20/x
  3. Step 3: Cross multiply
    472,393,963.60x = 708,590,945.40 × 434,980,517.20
  4. Step 4: Simplify right side
    472,393,963.60x = 308,223,255,913,328,960
  5. Step 5: Solve for x
    x = 308,223,255,913,328,960/472,393,963.60
  6. Step 6: Final answer
    x = 652,470,775.80

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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.