Home / 832,556,490.28-1,248,350,659.62-315,026,909.80

Finding the Fourth Proportional to 832,556,490.28, 1,248,350,659.62 and 315,026,909.80

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Solution

The fourth proportional to 832,556,490.28, 1,248,350,659.62 and 315,026,909.80 is: 472,357,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,556,490.28 : 1,248,350,659.62 = 315,026,909.80 : x
  2. Step 2: Convert to fraction form
    832,556,490.28/1,248,350,659.62 = 315,026,909.80/x
  3. Step 3: Cross multiply
    832,556,490.28x = 1,248,350,659.62 × 315,026,909.80
  4. Step 4: Simplify right side
    832,556,490.28x = 393,264,050,646,880,192
  5. Step 5: Solve for x
    x = 393,264,050,646,880,192/832,556,490.28
  6. Step 6: Final answer
    x = 472,357,197.67

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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.