Home / 271,380,459,415.15-407,070,689,122.72-247,871,210,186.35

Finding the Fourth Proportional to 271,380,459,415.15, 407,070,689,122.72 and 247,871,210,186.35

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Solution

The fourth proportional to 271,380,459,415.15, 407,070,689,122.72 and 247,871,210,186.35 is: 371,806,815,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,380,459,415.15 : 407,070,689,122.72 = 247,871,210,186.35 : x
  2. Step 2: Convert to fraction form
    271,380,459,415.15/407,070,689,122.72 = 247,871,210,186.35/x
  3. Step 3: Cross multiply
    271,380,459,415.15x = 407,070,689,122.72 × 247,871,210,186.35
  4. Step 4: Simplify right side
    271,380,459,415.15x = 100,901,104,344,240,066,920,448
  5. Step 5: Solve for x
    x = 100,901,104,344,240,066,920,448/271,380,459,415.15
  6. Step 6: Final answer
    x = 371,806,815,279.52

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Double scale
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Similar ratio
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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.