Home / 1,312,786,595.55-1,811,650,960.09-709,957,218.62

Finding the Fourth Proportional to 1,312,786,595.55, 1,811,650,960.09 and 709,957,218.62

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Solution

The fourth proportional to 1,312,786,595.55, 1,811,650,960.09 and 709,957,218.62 is: 979,743,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,786,595.55 : 1,811,650,960.09 = 709,957,218.62 : x
  2. Step 2: Convert to fraction form
    1,312,786,595.55/1,811,650,960.09 = 709,957,218.62/x
  3. Step 3: Cross multiply
    1,312,786,595.55x = 1,811,650,960.09 × 709,957,218.62
  4. Step 4: Simplify right side
    1,312,786,595.55x = 1,286,194,676,732,989,440
  5. Step 5: Solve for x
    x = 1,286,194,676,732,989,440/1,312,786,595.55
  6. Step 6: Final answer
    x = 979,743,913.51

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Double scale
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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.