Home / 383,532,909,901.66-575,427,129,831.05-128,587,520,781.11

Finding the Fourth Proportional to 383,532,909,901.66, 575,427,129,831.05 and 128,587,520,781.11

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Solution

The fourth proportional to 383,532,909,901.66, 575,427,129,831.05 and 128,587,520,781.11 is: 192,924,117,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,532,909,901.66 : 575,427,129,831.05 = 128,587,520,781.11 : x
  2. Step 2: Convert to fraction form
    383,532,909,901.66/575,427,129,831.05 = 128,587,520,781.11/x
  3. Step 3: Cross multiply
    383,532,909,901.66x = 575,427,129,831.05 × 128,587,520,781.11
  4. Step 4: Simplify right side
    383,532,909,901.66x = 73,992,748,015,164,629,975,040
  5. Step 5: Solve for x
    x = 73,992,748,015,164,629,975,040/383,532,909,901.66
  6. Step 6: Final answer
    x = 192,924,117,083.30

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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.