Home / 539,326,778.80-808,990,168.20-533,952,007.60

Finding the Fourth Proportional to 539,326,778.80, 808,990,168.20 and 533,952,007.60

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Solution

The fourth proportional to 539,326,778.80, 808,990,168.20 and 533,952,007.60 is: 800,928,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,326,778.80 : 808,990,168.20 = 533,952,007.60 : x
  2. Step 2: Convert to fraction form
    539,326,778.80/808,990,168.20 = 533,952,007.60/x
  3. Step 3: Cross multiply
    539,326,778.80x = 808,990,168.20 × 533,952,007.60
  4. Step 4: Simplify right side
    539,326,778.80x = 431,961,924,439,051,712
  5. Step 5: Solve for x
    x = 431,961,924,439,051,712/539,326,778.80
  6. Step 6: Final answer
    x = 800,928,011.40

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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.