Home / 420,684,779.88-580,575,055.14-232,509,025.98

Finding the Fourth Proportional to 420,684,779.88, 580,575,055.14 and 232,509,025.98

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Solution

The fourth proportional to 420,684,779.88, 580,575,055.14 and 232,509,025.98 is: 320,879,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,684,779.88 : 580,575,055.14 = 232,509,025.98 : x
  2. Step 2: Convert to fraction form
    420,684,779.88/580,575,055.14 = 232,509,025.98/x
  3. Step 3: Cross multiply
    420,684,779.88x = 580,575,055.14 × 232,509,025.98
  4. Step 4: Simplify right side
    420,684,779.88x = 134,988,940,578,886,176
  5. Step 5: Solve for x
    x = 134,988,940,578,886,176/420,684,779.88
  6. Step 6: Final answer
    x = 320,879,069.16

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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.