Home / 1,910,285,320.32-2,866,736,867.75-666,715,783.96

Finding the Fourth Proportional to 1,910,285,320.32, 2,866,736,867.75 and 666,715,783.96

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Solution

The fourth proportional to 1,910,285,320.32, 2,866,736,867.75 and 666,715,783.96 is: 1,000,530,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,285,320.32 : 2,866,736,867.75 = 666,715,783.96 : x
  2. Step 2: Convert to fraction form
    1,910,285,320.32/2,866,736,867.75 = 666,715,783.96/x
  3. Step 3: Cross multiply
    1,910,285,320.32x = 2,866,736,867.75 × 666,715,783.96
  4. Step 4: Simplify right side
    1,910,285,320.32x = 1,911,298,718,176,309,248
  5. Step 5: Solve for x
    x = 1,911,298,718,176,309,248/1,910,285,320.32
  6. Step 6: Final answer
    x = 1,000,530,495.55

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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.