Home / 440,341,369.60-660,512,054.40-295,222,547.20

Finding the Fourth Proportional to 440,341,369.60, 660,512,054.40 and 295,222,547.20

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Solution

The fourth proportional to 440,341,369.60, 660,512,054.40 and 295,222,547.20 is: 442,833,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,341,369.60 : 660,512,054.40 = 295,222,547.20 : x
  2. Step 2: Convert to fraction form
    440,341,369.60/660,512,054.40 = 295,222,547.20/x
  3. Step 3: Cross multiply
    440,341,369.60x = 660,512,054.40 × 295,222,547.20
  4. Step 4: Simplify right side
    440,341,369.60x = 194,998,051,156,272,960
  5. Step 5: Solve for x
    x = 194,998,051,156,272,960/440,341,369.60
  6. Step 6: Final answer
    x = 442,833,820.80

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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.