Home / 711,788,651.74-1,066,929,646.16-323,883,886.15

Finding the Fourth Proportional to 711,788,651.74, 1,066,929,646.16 and 323,883,886.15

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Solution

The fourth proportional to 711,788,651.74, 1,066,929,646.16 and 323,883,886.15 is: 485,483,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,788,651.74 : 1,066,929,646.16 = 323,883,886.15 : x
  2. Step 2: Convert to fraction form
    711,788,651.74/1,066,929,646.16 = 323,883,886.15/x
  3. Step 3: Cross multiply
    711,788,651.74x = 1,066,929,646.16 × 323,883,886.15
  4. Step 4: Simplify right side
    711,788,651.74x = 345,561,320,045,325,760
  5. Step 5: Solve for x
    x = 345,561,320,045,325,760/711,788,651.74
  6. Step 6: Final answer
    x = 485,483,042.19

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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.