Home / 280,908,045.30-421,362,067.95-246,895,821.30

Finding the Fourth Proportional to 280,908,045.30, 421,362,067.95 and 246,895,821.30

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Solution

The fourth proportional to 280,908,045.30, 421,362,067.95 and 246,895,821.30 is: 370,343,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,045.30 : 421,362,067.95 = 246,895,821.30 : x
  2. Step 2: Convert to fraction form
    280,908,045.30/421,362,067.95 = 246,895,821.30/x
  3. Step 3: Cross multiply
    280,908,045.30x = 421,362,067.95 × 246,895,821.30
  4. Step 4: Simplify right side
    280,908,045.30x = 104,032,533,831,181,664
  5. Step 5: Solve for x
    x = 104,032,533,831,181,664/280,908,045.30
  6. Step 6: Final answer
    x = 370,343,731.95

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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.