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Finding the Fourth Proportional to 535,888,334.40, 803,832,501.60 and 531,353,371.20

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Solution

The fourth proportional to 535,888,334.40, 803,832,501.60 and 531,353,371.20 is: 797,030,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,888,334.40 : 803,832,501.60 = 531,353,371.20 : x
  2. Step 2: Convert to fraction form
    535,888,334.40/803,832,501.60 = 531,353,371.20/x
  3. Step 3: Cross multiply
    535,888,334.40x = 803,832,501.60 × 531,353,371.20
  4. Step 4: Simplify right side
    535,888,334.40x = 427,119,109,605,289,408
  5. Step 5: Solve for x
    x = 427,119,109,605,289,408/535,888,334.40
  6. Step 6: Final answer
    x = 797,030,056.80

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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.