Home / 1,116,828,916.20-1,675,243,374.30-298,941,217.20

Finding the Fourth Proportional to 1,116,828,916.20, 1,675,243,374.30 and 298,941,217.20

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Solution

The fourth proportional to 1,116,828,916.20, 1,675,243,374.30 and 298,941,217.20 is: 448,411,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,828,916.20 : 1,675,243,374.30 = 298,941,217.20 : x
  2. Step 2: Convert to fraction form
    1,116,828,916.20/1,675,243,374.30 = 298,941,217.20/x
  3. Step 3: Cross multiply
    1,116,828,916.20x = 1,675,243,374.30 × 298,941,217.20
  4. Step 4: Simplify right side
    1,116,828,916.20x = 500,799,293,419,477,184
  5. Step 5: Solve for x
    x = 500,799,293,419,477,184/1,116,828,916.20
  6. Step 6: Final answer
    x = 448,411,825.80

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Double scale
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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.