Home / 539,153,999.80-808,730,999.70-533,779,228.60

Finding the Fourth Proportional to 539,153,999.80, 808,730,999.70 and 533,779,228.60

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Solution

The fourth proportional to 539,153,999.80, 808,730,999.70 and 533,779,228.60 is: 800,668,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,153,999.80 : 808,730,999.70 = 533,779,228.60 : x
  2. Step 2: Convert to fraction form
    539,153,999.80/808,730,999.70 = 533,779,228.60/x
  3. Step 3: Cross multiply
    539,153,999.80x = 808,730,999.70 × 533,779,228.60
  4. Step 4: Simplify right side
    539,153,999.80x = 431,683,809,164,772,864
  5. Step 5: Solve for x
    x = 431,683,809,164,772,864/539,153,999.80
  6. Step 6: Final answer
    x = 800,668,842.90

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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.