Home / 495,362,783.40-742,406,445.90-379,774,365.90

Finding the Fourth Proportional to 495,362,783.40, 742,406,445.90 and 379,774,365.90

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Solution

The fourth proportional to 495,362,783.40, 742,406,445.90 and 379,774,365.90 is: 569,172,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,362,783.40 : 742,406,445.90 = 379,774,365.90 : x
  2. Step 2: Convert to fraction form
    495,362,783.40/742,406,445.90 = 379,774,365.90/x
  3. Step 3: Cross multiply
    495,362,783.40x = 742,406,445.90 × 379,774,365.90
  4. Step 4: Simplify right side
    495,362,783.40x = 281,946,937,231,745,120
  5. Step 5: Solve for x
    x = 281,946,937,231,745,120/495,362,783.40
  6. Step 6: Final answer
    x = 569,172,627.98

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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.