Home / 31,912,717,801.60-47,869,076,702.40-19,341,799,811.20

Finding the Fourth Proportional to 31,912,717,801.60, 47,869,076,702.40 and 19,341,799,811.20

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Solution

The fourth proportional to 31,912,717,801.60, 47,869,076,702.40 and 19,341,799,811.20 is: 29,012,699,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,717,801.60 : 47,869,076,702.40 = 19,341,799,811.20 : x
  2. Step 2: Convert to fraction form
    31,912,717,801.60/47,869,076,702.40 = 19,341,799,811.20/x
  3. Step 3: Cross multiply
    31,912,717,801.60x = 47,869,076,702.40 × 19,341,799,811.20
  4. Step 4: Simplify right side
    31,912,717,801.60x = 925,874,098,724,798,726,144
  5. Step 5: Solve for x
    x = 925,874,098,724,798,726,144/31,912,717,801.60
  6. Step 6: Final answer
    x = 29,012,699,716.80

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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.