Home / 31,888,072,142.40-47,831,856,271.20-8,306,263,502.40

Finding the Fourth Proportional to 31,888,072,142.40, 47,831,856,271.20 and 8,306,263,502.40

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Solution

The fourth proportional to 31,888,072,142.40, 47,831,856,271.20 and 8,306,263,502.40 is: 12,459,329,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,888,072,142.40 : 47,831,856,271.20 = 8,306,263,502.40 : x
  2. Step 2: Convert to fraction form
    31,888,072,142.40/47,831,856,271.20 = 8,306,263,502.40/x
  3. Step 3: Cross multiply
    31,888,072,142.40x = 47,831,856,271.20 × 8,306,263,502.40
  4. Step 4: Simplify right side
    31,888,072,142.40x = 397,304,001,997,511,065,600
  5. Step 5: Solve for x
    x = 397,304,001,997,511,065,600/31,888,072,142.40
  6. Step 6: Final answer
    x = 12,459,329,627.18

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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.