Home / 1,446,660,929.69-2,169,991,394.53-425,454,401.69

Finding the Fourth Proportional to 1,446,660,929.69, 2,169,991,394.53 and 425,454,401.69

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Solution

The fourth proportional to 1,446,660,929.69, 2,169,991,394.53 and 425,454,401.69 is: 638,181,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,660,929.69 : 2,169,991,394.53 = 425,454,401.69 : x
  2. Step 2: Convert to fraction form
    1,446,660,929.69/2,169,991,394.53 = 425,454,401.69/x
  3. Step 3: Cross multiply
    1,446,660,929.69x = 2,169,991,394.53 × 425,454,401.69
  4. Step 4: Simplify right side
    1,446,660,929.69x = 923,232,390,421,360,000
  5. Step 5: Solve for x
    x = 923,232,390,421,360,000/1,446,660,929.69
  6. Step 6: Final answer
    x = 638,181,602.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.