Home / 830,167,386.17-1,145,633,301.92-453,828,521.48

Finding the Fourth Proportional to 830,167,386.17, 1,145,633,301.92 and 453,828,521.48

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Solution

The fourth proportional to 830,167,386.17, 1,145,633,301.92 and 453,828,521.48 is: 626,284,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,167,386.17 : 1,145,633,301.92 = 453,828,521.48 : x
  2. Step 2: Convert to fraction form
    830,167,386.17/1,145,633,301.92 = 453,828,521.48/x
  3. Step 3: Cross multiply
    830,167,386.17x = 1,145,633,301.92 × 453,828,521.48
  4. Step 4: Simplify right side
    830,167,386.17x = 519,921,067,566,334,912
  5. Step 5: Solve for x
    x = 519,921,067,566,334,912/830,167,386.17
  6. Step 6: Final answer
    x = 626,284,621.91

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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.