Home / 988,023,263.07-1,481,889,114.81-288,327,530.16

Finding the Fourth Proportional to 988,023,263.07, 1,481,889,114.81 and 288,327,530.16

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Solution

The fourth proportional to 988,023,263.07, 1,481,889,114.81 and 288,327,530.16 is: 432,448,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,023,263.07 : 1,481,889,114.81 = 288,327,530.16 : x
  2. Step 2: Convert to fraction form
    988,023,263.07/1,481,889,114.81 = 288,327,530.16/x
  3. Step 3: Cross multiply
    988,023,263.07x = 1,481,889,114.81 × 288,327,530.16
  4. Step 4: Simplify right side
    988,023,263.07x = 427,269,428,444,156,032
  5. Step 5: Solve for x
    x = 427,269,428,444,156,032/988,023,263.07
  6. Step 6: Final answer
    x = 432,448,753.40

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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.