Home / 314,958,399.60-472,437,599.40-249,910,021.20

Finding the Fourth Proportional to 314,958,399.60, 472,437,599.40 and 249,910,021.20

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Solution

The fourth proportional to 314,958,399.60, 472,437,599.40 and 249,910,021.20 is: 374,865,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,958,399.60 : 472,437,599.40 = 249,910,021.20 : x
  2. Step 2: Convert to fraction form
    314,958,399.60/472,437,599.40 = 249,910,021.20/x
  3. Step 3: Cross multiply
    314,958,399.60x = 472,437,599.40 × 249,910,021.20
  4. Step 4: Simplify right side
    314,958,399.60x = 118,066,890,481,731,088
  5. Step 5: Solve for x
    x = 118,066,890,481,731,088/314,958,399.60
  6. Step 6: Final answer
    x = 374,865,031.80

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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.