Home / 898,139,032.30-1,347,208,548.45-438,372,145.90

Finding the Fourth Proportional to 898,139,032.30, 1,347,208,548.45 and 438,372,145.90

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Solution

The fourth proportional to 898,139,032.30, 1,347,208,548.45 and 438,372,145.90 is: 657,558,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,139,032.30 : 1,347,208,548.45 = 438,372,145.90 : x
  2. Step 2: Convert to fraction form
    898,139,032.30/1,347,208,548.45 = 438,372,145.90/x
  3. Step 3: Cross multiply
    898,139,032.30x = 1,347,208,548.45 × 438,372,145.90
  4. Step 4: Simplify right side
    898,139,032.30x = 590,578,702,358,850,560
  5. Step 5: Solve for x
    x = 590,578,702,358,850,560/898,139,032.30
  6. Step 6: Final answer
    x = 657,558,218.85

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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.