Home / 774,537,282.44-1,068,865,069.40-440,028,160.30

Finding the Fourth Proportional to 774,537,282.44, 1,068,865,069.40 and 440,028,160.30

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Solution

The fourth proportional to 774,537,282.44, 1,068,865,069.40 and 440,028,160.30 is: 607,240,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,537,282.44 : 1,068,865,069.40 = 440,028,160.30 : x
  2. Step 2: Convert to fraction form
    774,537,282.44/1,068,865,069.40 = 440,028,160.30/x
  3. Step 3: Cross multiply
    774,537,282.44x = 1,068,865,069.40 × 440,028,160.30
  4. Step 4: Simplify right side
    774,537,282.44x = 470,330,730,089,469,376
  5. Step 5: Solve for x
    x = 470,330,730,089,469,376/774,537,282.44
  6. Step 6: Final answer
    x = 607,240,917.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.