Home / 298,950,948.10-448,426,422.15-266,665,907.35

Finding the Fourth Proportional to 298,950,948.10, 448,426,422.15 and 266,665,907.35

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Solution

The fourth proportional to 298,950,948.10, 448,426,422.15 and 266,665,907.35 is: 399,998,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,950,948.10 : 448,426,422.15 = 266,665,907.35 : x
  2. Step 2: Convert to fraction form
    298,950,948.10/448,426,422.15 = 266,665,907.35/x
  3. Step 3: Cross multiply
    298,950,948.10x = 448,426,422.15 × 266,665,907.35
  4. Step 4: Simplify right side
    298,950,948.10x = 119,580,038,742,343,872
  5. Step 5: Solve for x
    x = 119,580,038,742,343,872/298,950,948.10
  6. Step 6: Final answer
    x = 399,998,861.03

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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.