Home / 356,756,165.80-534,961,239.22-209,251,925.80

Finding the Fourth Proportional to 356,756,165.80, 534,961,239.22 and 209,251,925.80

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Solution

The fourth proportional to 356,756,165.80, 534,961,239.22 and 209,251,925.80 is: 313,776,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,756,165.80 : 534,961,239.22 = 209,251,925.80 : x
  2. Step 2: Convert to fraction form
    356,756,165.80/534,961,239.22 = 209,251,925.80/x
  3. Step 3: Cross multiply
    356,756,165.80x = 534,961,239.22 × 209,251,925.80
  4. Step 4: Simplify right side
    356,756,165.80x = 111,941,669,535,139,504
  5. Step 5: Solve for x
    x = 111,941,669,535,139,504/356,756,165.80
  6. Step 6: Final answer
    x = 313,776,411.64

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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.