Home / 472,393,341.40-708,590,012.10-437,955,964.60

Finding the Fourth Proportional to 472,393,341.40, 708,590,012.10 and 437,955,964.60

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Solution

The fourth proportional to 472,393,341.40, 708,590,012.10 and 437,955,964.60 is: 656,933,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,341.40 : 708,590,012.10 = 437,955,964.60 : x
  2. Step 2: Convert to fraction form
    472,393,341.40/708,590,012.10 = 437,955,964.60/x
  3. Step 3: Cross multiply
    472,393,341.40x = 708,590,012.10 × 437,955,964.60
  4. Step 4: Simplify right side
    472,393,341.40x = 310,331,222,255,181,184
  5. Step 5: Solve for x
    x = 310,331,222,255,181,184/472,393,341.40
  6. Step 6: Final answer
    x = 656,933,946.90

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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.