Home / 12,689,941,684.59-17,512,539,501.99-6,974,428,700.16

Finding the Fourth Proportional to 12,689,941,684.59, 17,512,539,501.99 and 6,974,428,700.16

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Solution

The fourth proportional to 12,689,941,684.59, 17,512,539,501.99 and 6,974,428,700.16 is: 9,624,942,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,941,684.59 : 17,512,539,501.99 = 6,974,428,700.16 : x
  2. Step 2: Convert to fraction form
    12,689,941,684.59/17,512,539,501.99 = 6,974,428,700.16/x
  3. Step 3: Cross multiply
    12,689,941,684.59x = 17,512,539,501.99 × 6,974,428,700.16
  4. Step 4: Simplify right side
    12,689,941,684.59x = 122,139,958,115,277,209,600
  5. Step 5: Solve for x
    x = 122,139,958,115,277,209,600/12,689,941,684.59
  6. Step 6: Final answer
    x = 9,624,942,426.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.