Home / 713,144,860,489.72-984,147,711,061.32-387,986,000,831.44

Finding the Fourth Proportional to 713,144,860,489.72, 984,147,711,061.32 and 387,986,000,831.44

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Solution

The fourth proportional to 713,144,860,489.72, 984,147,711,061.32 and 387,986,000,831.44 is: 535,424,926,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,144,860,489.72 : 984,147,711,061.32 = 387,986,000,831.44 : x
  2. Step 2: Convert to fraction form
    713,144,860,489.72/984,147,711,061.32 = 387,986,000,831.44/x
  3. Step 3: Cross multiply
    713,144,860,489.72x = 984,147,711,061.32 × 387,986,000,831.44
  4. Step 4: Simplify right side
    713,144,860,489.72x = 381,835,534,642,097,051,140,096
  5. Step 5: Solve for x
    x = 381,835,534,642,097,051,140,096/713,144,860,489.72
  6. Step 6: Final answer
    x = 535,424,926,683.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.