Home / 12,586,626,515.63-17,369,955,699.91-6,871,215,691.58

Finding the Fourth Proportional to 12,586,626,515.63, 17,369,955,699.91 and 6,871,215,691.58

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Solution

The fourth proportional to 12,586,626,515.63, 17,369,955,699.91 and 6,871,215,691.58 is: 9,482,502,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,626,515.63 : 17,369,955,699.91 = 6,871,215,691.58 : x
  2. Step 2: Convert to fraction form
    12,586,626,515.63/17,369,955,699.91 = 6,871,215,691.58/x
  3. Step 3: Cross multiply
    12,586,626,515.63x = 17,369,955,699.91 × 6,871,215,691.58
  4. Step 4: Simplify right side
    12,586,626,515.63x = 119,352,712,167,170,457,600
  5. Step 5: Solve for x
    x = 119,352,712,167,170,457,600/12,586,626,515.63
  6. Step 6: Final answer
    x = 9,482,502,084.17

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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.