Home / 1,139,731,392.13-1,709,891,837.47-667,429,302.43

Finding the Fourth Proportional to 1,139,731,392.13, 1,709,891,837.47 and 667,429,302.43

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Solution

The fourth proportional to 1,139,731,392.13, 1,709,891,837.47 and 667,429,302.43 is: 1,001,316,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,731,392.13 : 1,709,891,837.47 = 667,429,302.43 : x
  2. Step 2: Convert to fraction form
    1,139,731,392.13/1,709,891,837.47 = 667,429,302.43/x
  3. Step 3: Cross multiply
    1,139,731,392.13x = 1,709,891,837.47 × 667,429,302.43
  4. Step 4: Simplify right side
    1,139,731,392.13x = 1,141,231,916,316,357,888
  5. Step 5: Solve for x
    x = 1,141,231,916,316,357,888/1,139,731,392.13
  6. Step 6: Final answer
    x = 1,001,316,559.50

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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.