Home / 370,461,861.72-555,743,893-215,088,842.16

Finding the Fourth Proportional to 370,461,861.72, 555,743,893 and 215,088,842.16

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Solution

The fourth proportional to 370,461,861.72, 555,743,893 and 215,088,842.16 is: 322,662,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,461,861.72 : 555,743,893 = 215,088,842.16 : x
  2. Step 2: Convert to fraction form
    370,461,861.72/555,743,893 = 215,088,842.16/x
  3. Step 3: Cross multiply
    370,461,861.72x = 555,743,893 × 215,088,842.16
  4. Step 4: Simplify right side
    370,461,861.72x = 119,534,310,482,860,928
  5. Step 5: Solve for x
    x = 119,534,310,482,860,928/370,461,861.72
  6. Step 6: Final answer
    x = 322,662,931.96

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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.