Home / 377,423,026.30-521,004,473.67-253,735,445.98

Finding the Fourth Proportional to 377,423,026.30, 521,004,473.67 and 253,735,445.98

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Solution

The fourth proportional to 377,423,026.30, 521,004,473.67 and 253,735,445.98 is: 350,262,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,423,026.30 : 521,004,473.67 = 253,735,445.98 : x
  2. Step 2: Convert to fraction form
    377,423,026.30/521,004,473.67 = 253,735,445.98/x
  3. Step 3: Cross multiply
    377,423,026.30x = 521,004,473.67 × 253,735,445.98
  4. Step 4: Simplify right side
    377,423,026.30x = 132,197,302,484,232,608
  5. Step 5: Solve for x
    x = 132,197,302,484,232,608/377,423,026.30
  6. Step 6: Final answer
    x = 350,262,949.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.