Home / 753,021,530.40-1,129,532,295.60-533,483,253.30

Finding the Fourth Proportional to 753,021,530.40, 1,129,532,295.60 and 533,483,253.30

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Solution

The fourth proportional to 753,021,530.40, 1,129,532,295.60 and 533,483,253.30 is: 800,224,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,021,530.40 : 1,129,532,295.60 = 533,483,253.30 : x
  2. Step 2: Convert to fraction form
    753,021,530.40/1,129,532,295.60 = 533,483,253.30/x
  3. Step 3: Cross multiply
    753,021,530.40x = 1,129,532,295.60 × 533,483,253.30
  4. Step 4: Simplify right side
    753,021,530.40x = 602,586,563,764,105,216
  5. Step 5: Solve for x
    x = 602,586,563,764,105,216/753,021,530.40
  6. Step 6: Final answer
    x = 800,224,879.95

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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.