Home / 910,700,910.70-1,256,767,677.24-493,013,196

Finding the Fourth Proportional to 910,700,910.70, 1,256,767,677.24 and 493,013,196

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Solution

The fourth proportional to 910,700,910.70, 1,256,767,677.24 and 493,013,196 is: 680,358,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,700,910.70 : 1,256,767,677.24 = 493,013,196 : x
  2. Step 2: Convert to fraction form
    910,700,910.70/1,256,767,677.24 = 493,013,196/x
  3. Step 3: Cross multiply
    910,700,910.70x = 1,256,767,677.24 × 493,013,196
  4. Step 4: Simplify right side
    910,700,910.70x = 619,603,049,185,588,864
  5. Step 5: Solve for x
    x = 619,603,049,185,588,864/910,700,910.70
  6. Step 6: Final answer
    x = 680,358,438.11

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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.