Home / 457,970,556.40-631,998,889.56-249,126,200.92

Finding the Fourth Proportional to 457,970,556.40, 631,998,889.56 and 249,126,200.92

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Solution

The fourth proportional to 457,970,556.40, 631,998,889.56 and 249,126,200.92 is: 343,793,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,970,556.40 : 631,998,889.56 = 249,126,200.92 : x
  2. Step 2: Convert to fraction form
    457,970,556.40/631,998,889.56 = 249,126,200.92/x
  3. Step 3: Cross multiply
    457,970,556.40x = 631,998,889.56 × 249,126,200.92
  4. Step 4: Simplify right side
    457,970,556.40x = 157,447,482,341,741,440
  5. Step 5: Solve for x
    x = 157,447,482,341,741,440/457,970,556.40
  6. Step 6: Final answer
    x = 343,793,897.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.