Home / 526,139,411.60-789,209,117.40-143,186,963.60

Finding the Fourth Proportional to 526,139,411.60, 789,209,117.40 and 143,186,963.60

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Solution

The fourth proportional to 526,139,411.60, 789,209,117.40 and 143,186,963.60 is: 214,780,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,139,411.60 : 789,209,117.40 = 143,186,963.60 : x
  2. Step 2: Convert to fraction form
    526,139,411.60/789,209,117.40 = 143,186,963.60/x
  3. Step 3: Cross multiply
    526,139,411.60x = 789,209,117.40 × 143,186,963.60
  4. Step 4: Simplify right side
    526,139,411.60x = 113,004,457,165,941,920
  5. Step 5: Solve for x
    x = 113,004,457,165,941,920/526,139,411.60
  6. Step 6: Final answer
    x = 214,780,445.40

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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.