Home / 718,481,100.07-1,077,717,127.75-386,644,420.29

Finding the Fourth Proportional to 718,481,100.07, 1,077,717,127.75 and 386,644,420.29

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Solution

The fourth proportional to 718,481,100.07, 1,077,717,127.75 and 386,644,420.29 is: 579,964,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,481,100.07 : 1,077,717,127.75 = 386,644,420.29 : x
  2. Step 2: Convert to fraction form
    718,481,100.07/1,077,717,127.75 = 386,644,420.29/x
  3. Step 3: Cross multiply
    718,481,100.07x = 1,077,717,127.75 × 386,644,420.29
  4. Step 4: Simplify right side
    718,481,100.07x = 416,693,314,096,701,184
  5. Step 5: Solve for x
    x = 416,693,314,096,701,184/718,481,100.07
  6. Step 6: Final answer
    x = 579,964,196.77

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1.5x scale

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.