Home / 440,487,522.96-660,589,830.36-145,316,291.28

Finding the Fourth Proportional to 440,487,522.96, 660,589,830.36 and 145,316,291.28

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Solution

The fourth proportional to 440,487,522.96, 660,589,830.36 and 145,316,291.28 is: 217,927,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,487,522.96 : 660,589,830.36 = 145,316,291.28 : x
  2. Step 2: Convert to fraction form
    440,487,522.96/660,589,830.36 = 145,316,291.28/x
  3. Step 3: Cross multiply
    440,487,522.96x = 660,589,830.36 × 145,316,291.28
  4. Step 4: Simplify right side
    440,487,522.96x = 95,994,464,205,199,552
  5. Step 5: Solve for x
    x = 95,994,464,205,199,552/440,487,522.96
  6. Step 6: Final answer
    x = 217,927,771.39

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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.