Home / 808,534,986.48-1,115,781,644.28-437,257,017.85

Finding the Fourth Proportional to 808,534,986.48, 1,115,781,644.28 and 437,257,017.85

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Solution

The fourth proportional to 808,534,986.48, 1,115,781,644.28 and 437,257,017.85 is: 603,416,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,534,986.48 : 1,115,781,644.28 = 437,257,017.85 : x
  2. Step 2: Convert to fraction form
    808,534,986.48/1,115,781,644.28 = 437,257,017.85/x
  3. Step 3: Cross multiply
    808,534,986.48x = 1,115,781,644.28 × 437,257,017.85
  4. Step 4: Simplify right side
    808,534,986.48x = 487,883,354,349,642,304
  5. Step 5: Solve for x
    x = 487,883,354,349,642,304/808,534,986.48
  6. Step 6: Final answer
    x = 603,416,503.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.