Home / 288,277,842.60-432,416,763.90-239,810,423.40

Finding the Fourth Proportional to 288,277,842.60, 432,416,763.90 and 239,810,423.40

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Solution

The fourth proportional to 288,277,842.60, 432,416,763.90 and 239,810,423.40 is: 359,715,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,277,842.60 : 432,416,763.90 = 239,810,423.40 : x
  2. Step 2: Convert to fraction form
    288,277,842.60/432,416,763.90 = 239,810,423.40/x
  3. Step 3: Cross multiply
    288,277,842.60x = 432,416,763.90 × 239,810,423.40
  4. Step 4: Simplify right side
    288,277,842.60x = 103,698,047,236,116,832
  5. Step 5: Solve for x
    x = 103,698,047,236,116,832/288,277,842.60
  6. Step 6: Final answer
    x = 359,715,635.10

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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.