Home / 31,762,370,615.60-47,645,347,513.80-9,680,123,140.40

Finding the Fourth Proportional to 31,762,370,615.60, 47,645,347,513.80 and 9,680,123,140.40

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Solution

The fourth proportional to 31,762,370,615.60, 47,645,347,513.80 and 9,680,123,140.40 is: 14,520,730,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762,370,615.60 : 47,645,347,513.80 = 9,680,123,140.40 : x
  2. Step 2: Convert to fraction form
    31,762,370,615.60/47,645,347,513.80 = 9,680,123,140.40/x
  3. Step 3: Cross multiply
    31,762,370,615.60x = 47,645,347,513.80 × 9,680,123,140.40
  4. Step 4: Simplify right side
    31,762,370,615.60x = 461,212,831,000,734,990,336
  5. Step 5: Solve for x
    x = 461,212,831,000,734,990,336/31,762,370,615.60
  6. Step 6: Final answer
    x = 14,520,730,728.27

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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.