Home / 355,428,298.80-533,142,448.20-298,032,670.80

Finding the Fourth Proportional to 355,428,298.80, 533,142,448.20 and 298,032,670.80

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Solution

The fourth proportional to 355,428,298.80, 533,142,448.20 and 298,032,670.80 is: 447,049,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,428,298.80 : 533,142,448.20 = 298,032,670.80 : x
  2. Step 2: Convert to fraction form
    355,428,298.80/533,142,448.20 = 298,032,670.80/x
  3. Step 3: Cross multiply
    355,428,298.80x = 533,142,448.20 × 298,032,670.80
  4. Step 4: Simplify right side
    355,428,298.80x = 158,893,867,753,896,640
  5. Step 5: Solve for x
    x = 158,893,867,753,896,640/355,428,298.80
  6. Step 6: Final answer
    x = 447,049,006.20

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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.