Home / 538,065,792.40-807,098,688.60-533,530,829.20

Finding the Fourth Proportional to 538,065,792.40, 807,098,688.60 and 533,530,829.20

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Solution

The fourth proportional to 538,065,792.40, 807,098,688.60 and 533,530,829.20 is: 800,296,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,065,792.40 : 807,098,688.60 = 533,530,829.20 : x
  2. Step 2: Convert to fraction form
    538,065,792.40/807,098,688.60 = 533,530,829.20/x
  3. Step 3: Cross multiply
    538,065,792.40x = 807,098,688.60 × 533,530,829.20
  4. Step 4: Simplify right side
    538,065,792.40x = 430,612,032,574,990,592
  5. Step 5: Solve for x
    x = 430,612,032,574,990,592/538,065,792.40
  6. Step 6: Final answer
    x = 800,296,243.80

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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.