Home / 535,888,947.40-803,833,421.10-531,353,984.20

Finding the Fourth Proportional to 535,888,947.40, 803,833,421.10 and 531,353,984.20

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Solution

The fourth proportional to 535,888,947.40, 803,833,421.10 and 531,353,984.20 is: 797,030,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,888,947.40 : 803,833,421.10 = 531,353,984.20 : x
  2. Step 2: Convert to fraction form
    535,888,947.40/803,833,421.10 = 531,353,984.20/x
  3. Step 3: Cross multiply
    535,888,947.40x = 803,833,421.10 × 531,353,984.20
  4. Step 4: Simplify right side
    535,888,947.40x = 427,120,090,934,601,344
  5. Step 5: Solve for x
    x = 427,120,090,934,601,344/535,888,947.40
  6. Step 6: Final answer
    x = 797,030,976.30

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1.5x scale

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.