Home / 1,274,520,686.65-1,911,985,331.80-537,699,123.86

Finding the Fourth Proportional to 1,274,520,686.65, 1,911,985,331.80 and 537,699,123.86

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Solution

The fourth proportional to 1,274,520,686.65, 1,911,985,331.80 and 537,699,123.86 is: 806,634,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,520,686.65 : 1,911,985,331.80 = 537,699,123.86 : x
  2. Step 2: Convert to fraction form
    1,274,520,686.65/1,911,985,331.80 = 537,699,123.86/x
  3. Step 3: Cross multiply
    1,274,520,686.65x = 1,911,985,331.80 × 537,699,123.86
  4. Step 4: Simplify right side
    1,274,520,686.65x = 1,028,072,837,745,467,008
  5. Step 5: Solve for x
    x = 1,028,072,837,745,467,008/1,274,520,686.65
  6. Step 6: Final answer
    x = 806,634,877.34

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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.