Home / 12,754,098,424.40-19,131,147,636.60-7,830,808,005.20

Finding the Fourth Proportional to 12,754,098,424.40, 19,131,147,636.60 and 7,830,808,005.20

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Solution

The fourth proportional to 12,754,098,424.40, 19,131,147,636.60 and 7,830,808,005.20 is: 11,746,212,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,098,424.40 : 19,131,147,636.60 = 7,830,808,005.20 : x
  2. Step 2: Convert to fraction form
    12,754,098,424.40/19,131,147,636.60 = 7,830,808,005.20/x
  3. Step 3: Cross multiply
    12,754,098,424.40x = 19,131,147,636.60 × 7,830,808,005.20
  4. Step 4: Simplify right side
    12,754,098,424.40x = 149,812,344,061,350,313,984
  5. Step 5: Solve for x
    x = 149,812,344,061,350,313,984/12,754,098,424.40
  6. Step 6: Final answer
    x = 11,746,212,007.80

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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.