Home / 440,141,479,169.28-660,341,750,693.76-142,015,820,156.16

Finding the Fourth Proportional to 440,141,479,169.28, 660,341,750,693.76 and 142,015,820,156.16

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Solution

The fourth proportional to 440,141,479,169.28, 660,341,750,693.76 and 142,015,820,156.16 is: 213,065,524,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,141,479,169.28 : 660,341,750,693.76 = 142,015,820,156.16 : x
  2. Step 2: Convert to fraction form
    440,141,479,169.28/660,341,750,693.76 = 142,015,820,156.16/x
  3. Step 3: Cross multiply
    440,141,479,169.28x = 660,341,750,693.76 × 142,015,820,156.16
  4. Step 4: Simplify right side
    440,141,479,169.28x = 93,778,975,308,128,872,038,400
  5. Step 5: Solve for x
    x = 93,778,975,308,128,872,038,400/440,141,479,169.28
  6. Step 6: Final answer
    x = 213,065,524,942.40

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1.5x scale

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.