Home / 298,935,143.40-448,402,715.10-268,702,055.40

Finding the Fourth Proportional to 298,935,143.40, 448,402,715.10 and 268,702,055.40

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Solution

The fourth proportional to 298,935,143.40, 448,402,715.10 and 268,702,055.40 is: 403,053,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,143.40 : 448,402,715.10 = 268,702,055.40 : x
  2. Step 2: Convert to fraction form
    298,935,143.40/448,402,715.10 = 268,702,055.40/x
  3. Step 3: Cross multiply
    298,935,143.40x = 448,402,715.10 × 268,702,055.40
  4. Step 4: Simplify right side
    298,935,143.40x = 120,486,731,194,310,608
  5. Step 5: Solve for x
    x = 120,486,731,194,310,608/298,935,143.40
  6. Step 6: Final answer
    x = 403,053,083.10

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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.