Home / 13,210,368,996.80-19,815,553,495.20-12,598,148,964.80

Finding the Fourth Proportional to 13,210,368,996.80, 19,815,553,495.20 and 12,598,148,964.80

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Solution

The fourth proportional to 13,210,368,996.80, 19,815,553,495.20 and 12,598,148,964.80 is: 18,897,223,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,368,996.80 : 19,815,553,495.20 = 12,598,148,964.80 : x
  2. Step 2: Convert to fraction form
    13,210,368,996.80/19,815,553,495.20 = 12,598,148,964.80/x
  3. Step 3: Cross multiply
    13,210,368,996.80x = 19,815,553,495.20 × 12,598,148,964.80
  4. Step 4: Simplify right side
    13,210,368,996.80x = 249,639,294,752,492,912,640
  5. Step 5: Solve for x
    x = 249,639,294,752,492,912,640/13,210,368,996.80
  6. Step 6: Final answer
    x = 18,897,223,447.20

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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.