Home / 3,178,425,035.54-4,386,191,740.08-1,749,465,590.06

Finding the Fourth Proportional to 3,178,425,035.54, 4,386,191,740.08 and 1,749,465,590.06

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Solution

The fourth proportional to 3,178,425,035.54, 4,386,191,740.08 and 1,749,465,590.06 is: 2,414,243,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,425,035.54 : 4,386,191,740.08 = 1,749,465,590.06 : x
  2. Step 2: Convert to fraction form
    3,178,425,035.54/4,386,191,740.08 = 1,749,465,590.06/x
  3. Step 3: Cross multiply
    3,178,425,035.54x = 4,386,191,740.08 × 1,749,465,590.06
  4. Step 4: Simplify right side
    3,178,425,035.54x = 7,673,491,520,675,354,624
  5. Step 5: Solve for x
    x = 7,673,491,520,675,354,624/3,178,425,035.54
  6. Step 6: Final answer
    x = 2,414,243,354.77

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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.