Home / 298,993,145.40-448,489,718.10-222,465,641.40

Finding the Fourth Proportional to 298,993,145.40, 448,489,718.10 and 222,465,641.40

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Solution

The fourth proportional to 298,993,145.40, 448,489,718.10 and 222,465,641.40 is: 333,698,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,993,145.40 : 448,489,718.10 = 222,465,641.40 : x
  2. Step 2: Convert to fraction form
    298,993,145.40/448,489,718.10 = 222,465,641.40/x
  3. Step 3: Cross multiply
    298,993,145.40x = 448,489,718.10 × 222,465,641.40
  4. Step 4: Simplify right side
    298,993,145.40x = 99,773,552,798,421,696
  5. Step 5: Solve for x
    x = 99,773,552,798,421,696/298,993,145.40
  6. Step 6: Final answer
    x = 333,698,462.10

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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.