Home / 1,444,176,410.40-1,992,971,401.20-784,126,688.40

Finding the Fourth Proportional to 1,444,176,410.40, 1,992,971,401.20 and 784,126,688.40

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Solution

The fourth proportional to 1,444,176,410.40, 1,992,971,401.20 and 784,126,688.40 is: 1,082,099,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,176,410.40 : 1,992,971,401.20 = 784,126,688.40 : x
  2. Step 2: Convert to fraction form
    1,444,176,410.40/1,992,971,401.20 = 784,126,688.40/x
  3. Step 3: Cross multiply
    1,444,176,410.40x = 1,992,971,401.20 × 784,126,688.40
  4. Step 4: Simplify right side
    1,444,176,410.40x = 1,562,742,064,898,863,872
  5. Step 5: Solve for x
    x = 1,562,742,064,898,863,872/1,444,176,410.40
  6. Step 6: Final answer
    x = 1,082,099,149.14

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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.