Home / 495,286,077.60-742,929,116.40-380,848,240.80

Finding the Fourth Proportional to 495,286,077.60, 742,929,116.40 and 380,848,240.80

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Solution

The fourth proportional to 495,286,077.60, 742,929,116.40 and 380,848,240.80 is: 571,272,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,286,077.60 : 742,929,116.40 = 380,848,240.80 : x
  2. Step 2: Convert to fraction form
    495,286,077.60/742,929,116.40 = 380,848,240.80/x
  3. Step 3: Cross multiply
    495,286,077.60x = 742,929,116.40 × 380,848,240.80
  4. Step 4: Simplify right side
    495,286,077.60x = 282,943,247,020,038,432
  5. Step 5: Solve for x
    x = 282,943,247,020,038,432/495,286,077.60
  6. Step 6: Final answer
    x = 571,272,361.20

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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.