Home / 690,315,201.60-1,035,472,802.40-327,518,145.60

Finding the Fourth Proportional to 690,315,201.60, 1,035,472,802.40 and 327,518,145.60

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Solution

The fourth proportional to 690,315,201.60, 1,035,472,802.40 and 327,518,145.60 is: 491,277,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,315,201.60 : 1,035,472,802.40 = 327,518,145.60 : x
  2. Step 2: Convert to fraction form
    690,315,201.60/1,035,472,802.40 = 327,518,145.60/x
  3. Step 3: Cross multiply
    690,315,201.60x = 1,035,472,802.40 × 327,518,145.60
  4. Step 4: Simplify right side
    690,315,201.60x = 339,136,132,061,283,264
  5. Step 5: Solve for x
    x = 339,136,132,061,283,264/690,315,201.60
  6. Step 6: Final answer
    x = 491,277,218.40

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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.