Home / 1,243,392,008.76-1,716,031,440.18-707,673,933.08

Finding the Fourth Proportional to 1,243,392,008.76, 1,716,031,440.18 and 707,673,933.08

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Solution

The fourth proportional to 1,243,392,008.76, 1,716,031,440.18 and 707,673,933.08 is: 976,675,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,392,008.76 : 1,716,031,440.18 = 707,673,933.08 : x
  2. Step 2: Convert to fraction form
    1,243,392,008.76/1,716,031,440.18 = 707,673,933.08/x
  3. Step 3: Cross multiply
    1,243,392,008.76x = 1,716,031,440.18 × 707,673,933.08
  4. Step 4: Simplify right side
    1,243,392,008.76x = 1,214,390,718,561,117,440
  5. Step 5: Solve for x
    x = 1,214,390,718,561,117,440/1,243,392,008.76
  6. Step 6: Final answer
    x = 976,675,666.25

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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.