Home / 1,031,218,547.56-1,546,812,665.40-254,864,274.94

Finding the Fourth Proportional to 1,031,218,547.56, 1,546,812,665.40 and 254,864,274.94

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Solution

The fourth proportional to 1,031,218,547.56, 1,546,812,665.40 and 254,864,274.94 is: 382,292,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,218,547.56 : 1,546,812,665.40 = 254,864,274.94 : x
  2. Step 2: Convert to fraction form
    1,031,218,547.56/1,546,812,665.40 = 254,864,274.94/x
  3. Step 3: Cross multiply
    1,031,218,547.56x = 1,546,812,665.40 × 254,864,274.94
  4. Step 4: Simplify right side
    1,031,218,547.56x = 394,227,288,435,179,840
  5. Step 5: Solve for x
    x = 394,227,288,435,179,840/1,031,218,547.56
  6. Step 6: Final answer
    x = 382,292,666.64

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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.