Home / 405,503,999.10-608,255,998.65-102,924,287.10

Finding the Fourth Proportional to 405,503,999.10, 608,255,998.65 and 102,924,287.10

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Solution

The fourth proportional to 405,503,999.10, 608,255,998.65 and 102,924,287.10 is: 154,386,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,503,999.10 : 608,255,998.65 = 102,924,287.10 : x
  2. Step 2: Convert to fraction form
    405,503,999.10/608,255,998.65 = 102,924,287.10/x
  3. Step 3: Cross multiply
    405,503,999.10x = 608,255,998.65 × 102,924,287.10
  4. Step 4: Simplify right side
    405,503,999.10x = 62,604,315,035,349,808
  5. Step 5: Solve for x
    x = 62,604,315,035,349,808/405,503,999.10
  6. Step 6: Final answer
    x = 154,386,430.65

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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.