Home / 520,830,525.98-718,746,837.60-282,675,714.07

Finding the Fourth Proportional to 520,830,525.98, 718,746,837.60 and 282,675,714.07

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Solution

The fourth proportional to 520,830,525.98, 718,746,837.60 and 282,675,714.07 is: 390,092,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,830,525.98 : 718,746,837.60 = 282,675,714.07 : x
  2. Step 2: Convert to fraction form
    520,830,525.98/718,746,837.60 = 282,675,714.07/x
  3. Step 3: Cross multiply
    520,830,525.98x = 718,746,837.60 × 282,675,714.07
  4. Step 4: Simplify right side
    520,830,525.98x = 203,172,275,554,134,336
  5. Step 5: Solve for x
    x = 203,172,275,554,134,336/520,830,525.98
  6. Step 6: Final answer
    x = 390,092,871.71

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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.