Home / 31,461,503,999.40-47,192,255,999.10-12,818,837,154.60

Finding the Fourth Proportional to 31,461,503,999.40, 47,192,255,999.10 and 12,818,837,154.60

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Solution

The fourth proportional to 31,461,503,999.40, 47,192,255,999.10 and 12,818,837,154.60 is: 19,228,255,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461,503,999.40 : 47,192,255,999.10 = 12,818,837,154.60 : x
  2. Step 2: Convert to fraction form
    31,461,503,999.40/47,192,255,999.10 = 12,818,837,154.60/x
  3. Step 3: Cross multiply
    31,461,503,999.40x = 47,192,255,999.10 × 12,818,837,154.60
  4. Step 4: Simplify right side
    31,461,503,999.40x = 604,949,844,610,657,812,480
  5. Step 5: Solve for x
    x = 604,949,844,610,657,812,480/31,461,503,999.40
  6. Step 6: Final answer
    x = 19,228,255,731.90

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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.