Home / 386,523,001.96-579,605,343.90-144,120,820.84

Finding the Fourth Proportional to 386,523,001.96, 579,605,343.90 and 144,120,820.84

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Solution

The fourth proportional to 386,523,001.96, 579,605,343.90 and 144,120,820.84 is: 216,114,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,523,001.96 : 579,605,343.90 = 144,120,820.84 : x
  2. Step 2: Convert to fraction form
    386,523,001.96/579,605,343.90 = 144,120,820.84/x
  3. Step 3: Cross multiply
    386,523,001.96x = 579,605,343.90 × 144,120,820.84
  4. Step 4: Simplify right side
    386,523,001.96x = 83,533,197,926,118,480
  5. Step 5: Solve for x
    x = 83,533,197,926,118,480/386,523,001.96
  6. Step 6: Final answer
    x = 216,114,429.16

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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.