Home / 430,544,479.96-645,292,051.03-223,168,562.29

Finding the Fourth Proportional to 430,544,479.96, 645,292,051.03 and 223,168,562.29

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Solution

The fourth proportional to 430,544,479.96, 645,292,051.03 and 223,168,562.29 is: 334,480,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,544,479.96 : 645,292,051.03 = 223,168,562.29 : x
  2. Step 2: Convert to fraction form
    430,544,479.96/645,292,051.03 = 223,168,562.29/x
  3. Step 3: Cross multiply
    430,544,479.96x = 645,292,051.03 × 223,168,562.29
  4. Step 4: Simplify right side
    430,544,479.96x = 144,008,899,287,067,680
  5. Step 5: Solve for x
    x = 144,008,899,287,067,680/430,544,479.96
  6. Step 6: Final answer
    x = 334,480,886.39

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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.