Home / 424,186,977.90-585,368,856.86-245,578,397.52

Finding the Fourth Proportional to 424,186,977.90, 585,368,856.86 and 245,578,397.52

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Solution

The fourth proportional to 424,186,977.90, 585,368,856.86 and 245,578,397.52 is: 338,892,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,186,977.90 : 585,368,856.86 = 245,578,397.52 : x
  2. Step 2: Convert to fraction form
    424,186,977.90/585,368,856.86 = 245,578,397.52/x
  3. Step 3: Cross multiply
    424,186,977.90x = 585,368,856.86 × 245,578,397.52
  4. Step 4: Simplify right side
    424,186,977.90x = 143,753,945,823,464,672
  5. Step 5: Solve for x
    x = 143,753,945,823,464,672/424,186,977.90
  6. Step 6: Final answer
    x = 338,892,878.17

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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.