Home / 408,854,454.30-613,281,681.45-245,595,779.10

Finding the Fourth Proportional to 408,854,454.30, 613,281,681.45 and 245,595,779.10

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Solution

The fourth proportional to 408,854,454.30, 613,281,681.45 and 245,595,779.10 is: 368,393,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,854,454.30 : 613,281,681.45 = 245,595,779.10 : x
  2. Step 2: Convert to fraction form
    408,854,454.30/613,281,681.45 = 245,595,779.10/x
  3. Step 3: Cross multiply
    408,854,454.30x = 613,281,681.45 × 245,595,779.10
  4. Step 4: Simplify right side
    408,854,454.30x = 150,619,392,363,470,784
  5. Step 5: Solve for x
    x = 150,619,392,363,470,784/408,854,454.30
  6. Step 6: Final answer
    x = 368,393,668.65

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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.