Home / 700,736,157.28-1,051,208,734.80-258,044,772.88

Finding the Fourth Proportional to 700,736,157.28, 1,051,208,734.80 and 258,044,772.88

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Solution

The fourth proportional to 700,736,157.28, 1,051,208,734.80 and 258,044,772.88 is: 387,105,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,736,157.28 : 1,051,208,734.80 = 258,044,772.88 : x
  2. Step 2: Convert to fraction form
    700,736,157.28/1,051,208,734.80 = 258,044,772.88/x
  3. Step 3: Cross multiply
    700,736,157.28x = 1,051,208,734.80 × 258,044,772.88
  4. Step 4: Simplify right side
    700,736,157.28x = 271,258,919,220,938,144
  5. Step 5: Solve for x
    x = 271,258,919,220,938,144/700,736,157.28
  6. Step 6: Final answer
    x = 387,105,640.84

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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.