Home / 215,225,262,164.40-322,837,893,246.60-199,552,429,345.20

Finding the Fourth Proportional to 215,225,262,164.40, 322,837,893,246.60 and 199,552,429,345.20

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Solution

The fourth proportional to 215,225,262,164.40, 322,837,893,246.60 and 199,552,429,345.20 is: 299,328,644,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,225,262,164.40 : 322,837,893,246.60 = 199,552,429,345.20 : x
  2. Step 2: Convert to fraction form
    215,225,262,164.40/322,837,893,246.60 = 199,552,429,345.20/x
  3. Step 3: Cross multiply
    215,225,262,164.40x = 322,837,893,246.60 × 199,552,429,345.20
  4. Step 4: Simplify right side
    215,225,262,164.40x = 64,423,085,882,045,368,369,152
  5. Step 5: Solve for x
    x = 64,423,085,882,045,368,369,152/215,225,262,164.40
  6. Step 6: Final answer
    x = 299,328,644,017.80

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1.5x scale

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.