Home / 539,313,999.30-808,970,998.95-533,939,228.10

Finding the Fourth Proportional to 539,313,999.30, 808,970,998.95 and 533,939,228.10

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Solution

The fourth proportional to 539,313,999.30, 808,970,998.95 and 533,939,228.10 is: 800,908,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,313,999.30 : 808,970,998.95 = 533,939,228.10 : x
  2. Step 2: Convert to fraction form
    539,313,999.30/808,970,998.95 = 533,939,228.10/x
  3. Step 3: Cross multiply
    539,313,999.30x = 808,970,998.95 × 533,939,228.10
  4. Step 4: Simplify right side
    539,313,999.30x = 431,941,350,734,648,960
  5. Step 5: Solve for x
    x = 431,941,350,734,648,960/539,313,999.30
  6. Step 6: Final answer
    x = 800,908,842.15

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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.