Home / 298,927,881.60-448,391,822.40-266,679,254.40

Finding the Fourth Proportional to 298,927,881.60, 448,391,822.40 and 266,679,254.40

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Solution

The fourth proportional to 298,927,881.60, 448,391,822.40 and 266,679,254.40 is: 400,018,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,927,881.60 : 448,391,822.40 = 266,679,254.40 : x
  2. Step 2: Convert to fraction form
    298,927,881.60/448,391,822.40 = 266,679,254.40/x
  3. Step 3: Cross multiply
    298,927,881.60x = 448,391,822.40 × 266,679,254.40
  4. Step 4: Simplify right side
    298,927,881.60x = 119,576,796,876,689,216
  5. Step 5: Solve for x
    x = 119,576,796,876,689,216/298,927,881.60
  6. Step 6: Final answer
    x = 400,018,881.60

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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.