Home / 778,552,336,233.92-1,168,164,106,581.40-420,333,185,835.08

Finding the Fourth Proportional to 778,552,336,233.92, 1,168,164,106,581.40 and 420,333,185,835.08

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Solution

The fourth proportional to 778,552,336,233.92, 1,168,164,106,581.40 and 420,333,185,835.08 is: 630,680,967,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,552,336,233.92 : 1,168,164,106,581.40 = 420,333,185,835.08 : x
  2. Step 2: Convert to fraction form
    778,552,336,233.92/1,168,164,106,581.40 = 420,333,185,835.08/x
  3. Step 3: Cross multiply
    778,552,336,233.92x = 1,168,164,106,581.40 × 420,333,185,835.08
  4. Step 4: Simplify right side
    778,552,336,233.92x = 491,018,140,497,549,774,028,800
  5. Step 5: Solve for x
    x = 491,018,140,497,549,774,028,800/778,552,336,233.92
  6. Step 6: Final answer
    x = 630,680,967,284.42

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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.