Home / 472,395,384.90-708,593,077.35-437,958,008.10

Finding the Fourth Proportional to 472,395,384.90, 708,593,077.35 and 437,958,008.10

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Solution

The fourth proportional to 472,395,384.90, 708,593,077.35 and 437,958,008.10 is: 656,937,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,384.90 : 708,593,077.35 = 437,958,008.10 : x
  2. Step 2: Convert to fraction form
    472,395,384.90/708,593,077.35 = 437,958,008.10/x
  3. Step 3: Cross multiply
    472,395,384.90x = 708,593,077.35 × 437,958,008.10
  4. Step 4: Simplify right side
    472,395,384.90x = 310,334,012,709,655,232
  5. Step 5: Solve for x
    x = 310,334,012,709,655,232/472,395,384.90
  6. Step 6: Final answer
    x = 656,937,012.15

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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.