Home / 12,934,657,119.60-19,401,985,679.40-7,057,344,812.40

Finding the Fourth Proportional to 12,934,657,119.60, 19,401,985,679.40 and 7,057,344,812.40

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Solution

The fourth proportional to 12,934,657,119.60, 19,401,985,679.40 and 7,057,344,812.40 is: 10,586,017,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,657,119.60 : 19,401,985,679.40 = 7,057,344,812.40 : x
  2. Step 2: Convert to fraction form
    12,934,657,119.60/19,401,985,679.40 = 7,057,344,812.40/x
  3. Step 3: Cross multiply
    12,934,657,119.60x = 19,401,985,679.40 × 7,057,344,812.40
  4. Step 4: Simplify right side
    12,934,657,119.60x = 136,926,502,984,772,681,728
  5. Step 5: Solve for x
    x = 136,926,502,984,772,681,728/12,934,657,119.60
  6. Step 6: Final answer
    x = 10,586,017,218.60

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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.