Home / 12,411,639,588.49-17,128,426,019.67-6,773,218,868.14

Finding the Fourth Proportional to 12,411,639,588.49, 17,128,426,019.67 and 6,773,218,868.14

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Solution

The fourth proportional to 12,411,639,588.49, 17,128,426,019.67 and 6,773,218,868.14 is: 9,347,240,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,639,588.49 : 17,128,426,019.67 = 6,773,218,868.14 : x
  2. Step 2: Convert to fraction form
    12,411,639,588.49/17,128,426,019.67 = 6,773,218,868.14/x
  3. Step 3: Cross multiply
    12,411,639,588.49x = 17,128,426,019.67 × 6,773,218,868.14
  4. Step 4: Simplify right side
    12,411,639,588.49x = 116,014,578,297,926,139,904
  5. Step 5: Solve for x
    x = 116,014,578,297,926,139,904/12,411,639,588.49
  6. Step 6: Final answer
    x = 9,347,240,344.10

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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.