Home / 389,477,646.72-583,289,068.58-225,369,551.66

Finding the Fourth Proportional to 389,477,646.72, 583,289,068.58 and 225,369,551.66

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Solution

The fourth proportional to 389,477,646.72, 583,289,068.58 and 225,369,551.66 is: 337,517,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,477,646.72 : 583,289,068.58 = 225,369,551.66 : x
  2. Step 2: Convert to fraction form
    389,477,646.72/583,289,068.58 = 225,369,551.66/x
  3. Step 3: Cross multiply
    389,477,646.72x = 583,289,068.58 × 225,369,551.66
  4. Step 4: Simplify right side
    389,477,646.72x = 131,455,595,873,158,784
  5. Step 5: Solve for x
    x = 131,455,595,873,158,784/389,477,646.72
  6. Step 6: Final answer
    x = 337,517,690.63

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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.