Home / 13,116,820,952.20-19,675,231,428.30-11,851,566,219.40

Finding the Fourth Proportional to 13,116,820,952.20, 19,675,231,428.30 and 11,851,566,219.40

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Solution

The fourth proportional to 13,116,820,952.20, 19,675,231,428.30 and 11,851,566,219.40 is: 17,777,349,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,820,952.20 : 19,675,231,428.30 = 11,851,566,219.40 : x
  2. Step 2: Convert to fraction form
    13,116,820,952.20/19,675,231,428.30 = 11,851,566,219.40/x
  3. Step 3: Cross multiply
    13,116,820,952.20x = 19,675,231,428.30 × 11,851,566,219.40
  4. Step 4: Simplify right side
    13,116,820,952.20x = 233,182,308,154,517,487,616
  5. Step 5: Solve for x
    x = 233,182,308,154,517,487,616/13,116,820,952.20
  6. Step 6: Final answer
    x = 17,777,349,329.10

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Double scale
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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.