Home / 12,438,610,385.84-17,073,912,265.35-10,997,342,393.84

Finding the Fourth Proportional to 12,438,610,385.84, 17,073,912,265.35 and 10,997,342,393.84

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Solution

The fourth proportional to 12,438,610,385.84, 17,073,912,265.35 and 10,997,342,393.84 is: 15,095,549,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438,610,385.84 : 17,073,912,265.35 = 10,997,342,393.84 : x
  2. Step 2: Convert to fraction form
    12,438,610,385.84/17,073,912,265.35 = 10,997,342,393.84/x
  3. Step 3: Cross multiply
    12,438,610,385.84x = 17,073,912,265.35 × 10,997,342,393.84
  4. Step 4: Simplify right side
    12,438,610,385.84x = 187,767,659,184,438,312,960
  5. Step 5: Solve for x
    x = 187,767,659,184,438,312,960/12,438,610,385.84
  6. Step 6: Final answer
    x = 15,095,549,531.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.