Home / 19,316,047,517.60-28,974,071,276.40-11,877,574,128.80

Finding the Fourth Proportional to 19,316,047,517.60, 28,974,071,276.40 and 11,877,574,128.80

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Solution

The fourth proportional to 19,316,047,517.60, 28,974,071,276.40 and 11,877,574,128.80 is: 17,816,361,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,047,517.60 : 28,974,071,276.40 = 11,877,574,128.80 : x
  2. Step 2: Convert to fraction form
    19,316,047,517.60/28,974,071,276.40 = 11,877,574,128.80/x
  3. Step 3: Cross multiply
    19,316,047,517.60x = 28,974,071,276.40 × 11,877,574,128.80
  4. Step 4: Simplify right side
    19,316,047,517.60x = 344,141,679,398,575,800,320
  5. Step 5: Solve for x
    x = 344,141,679,398,575,800,320/19,316,047,517.60
  6. Step 6: Final answer
    x = 17,816,361,193.20

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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.