Home / 700,572,350.50-966,810,021.32-387,326,742.64

Finding the Fourth Proportional to 700,572,350.50, 966,810,021.32 and 387,326,742.64

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Solution

The fourth proportional to 700,572,350.50, 966,810,021.32 and 387,326,742.64 is: 534,522,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,572,350.50 : 966,810,021.32 = 387,326,742.64 : x
  2. Step 2: Convert to fraction form
    700,572,350.50/966,810,021.32 = 387,326,742.64/x
  3. Step 3: Cross multiply
    700,572,350.50x = 966,810,021.32 × 387,326,742.64
  4. Step 4: Simplify right side
    700,572,350.50x = 374,471,376,308,135,808
  5. Step 5: Solve for x
    x = 374,471,376,308,135,808/700,572,350.50
  6. Step 6: Final answer
    x = 534,522,060.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.