Home / 320,359,600,199.46-442,096,686,068.68-173,872,063,865.49

Finding the Fourth Proportional to 320,359,600,199.46, 442,096,686,068.68 and 173,872,063,865.49

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Solution

The fourth proportional to 320,359,600,199.46, 442,096,686,068.68 and 173,872,063,865.49 is: 239,943,685,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,359,600,199.46 : 442,096,686,068.68 = 173,872,063,865.49 : x
  2. Step 2: Convert to fraction form
    320,359,600,199.46/442,096,686,068.68 = 173,872,063,865.49/x
  3. Step 3: Cross multiply
    320,359,600,199.46x = 442,096,686,068.68 × 173,872,063,865.49
  4. Step 4: Simplify right side
    320,359,600,199.46x = 76,868,263,234,855,011,090,432
  5. Step 5: Solve for x
    x = 76,868,263,234,855,011,090,432/320,359,600,199.46
  6. Step 6: Final answer
    x = 239,943,685,742.51

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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.