Home / 458,843,106.44-688,264,034.88-213,065,345.36

Finding the Fourth Proportional to 458,843,106.44, 688,264,034.88 and 213,065,345.36

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Solution

The fourth proportional to 458,843,106.44, 688,264,034.88 and 213,065,345.36 is: 319,597,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,843,106.44 : 688,264,034.88 = 213,065,345.36 : x
  2. Step 2: Convert to fraction form
    458,843,106.44/688,264,034.88 = 213,065,345.36/x
  3. Step 3: Cross multiply
    458,843,106.44x = 688,264,034.88 × 213,065,345.36
  4. Step 4: Simplify right side
    458,843,106.44x = 146,645,214,290,574,304
  5. Step 5: Solve for x
    x = 146,645,214,290,574,304/458,843,106.44
  6. Step 6: Final answer
    x = 319,597,727.92

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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.