Home / 358,977,651.40-538,466,477.10-186,790,767.40

Finding the Fourth Proportional to 358,977,651.40, 538,466,477.10 and 186,790,767.40

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Solution

The fourth proportional to 358,977,651.40, 538,466,477.10 and 186,790,767.40 is: 280,186,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,977,651.40 : 538,466,477.10 = 186,790,767.40 : x
  2. Step 2: Convert to fraction form
    358,977,651.40/538,466,477.10 = 186,790,767.40/x
  3. Step 3: Cross multiply
    358,977,651.40x = 538,466,477.10 × 186,790,767.40
  4. Step 4: Simplify right side
    358,977,651.40x = 100,580,566,476,683,536
  5. Step 5: Solve for x
    x = 100,580,566,476,683,536/358,977,651.40
  6. Step 6: Final answer
    x = 280,186,151.10

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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.