Home / 346,379,866.80-477,621,158.76-220,733,023.20

Finding the Fourth Proportional to 346,379,866.80, 477,621,158.76 and 220,733,023.20

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Solution

The fourth proportional to 346,379,866.80, 477,621,158.76 and 220,733,023.20 is: 304,367,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,379,866.80 : 477,621,158.76 = 220,733,023.20 : x
  2. Step 2: Convert to fraction form
    346,379,866.80/477,621,158.76 = 220,733,023.20/x
  3. Step 3: Cross multiply
    346,379,866.80x = 477,621,158.76 × 220,733,023.20
  4. Step 4: Simplify right side
    346,379,866.80x = 105,426,762,317,381,952
  5. Step 5: Solve for x
    x = 105,426,762,317,381,952/346,379,866.80
  6. Step 6: Final answer
    x = 304,367,465.96

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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.