Home / 12,270,678,424.80-18,406,017,637.20-11,641,830,194.40

Finding the Fourth Proportional to 12,270,678,424.80, 18,406,017,637.20 and 11,641,830,194.40

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Solution

The fourth proportional to 12,270,678,424.80, 18,406,017,637.20 and 11,641,830,194.40 is: 17,462,745,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270,678,424.80 : 18,406,017,637.20 = 11,641,830,194.40 : x
  2. Step 2: Convert to fraction form
    12,270,678,424.80/18,406,017,637.20 = 11,641,830,194.40/x
  3. Step 3: Cross multiply
    12,270,678,424.80x = 18,406,017,637.20 × 11,641,830,194.40
  4. Step 4: Simplify right side
    12,270,678,424.80x = 214,279,731,887,413,919,744
  5. Step 5: Solve for x
    x = 214,279,731,887,413,919,744/12,270,678,424.80
  6. Step 6: Final answer
    x = 17,462,745,291.60

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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.