Home / 538,920,815.60-808,381,223.40-193,885,698.80

Finding the Fourth Proportional to 538,920,815.60, 808,381,223.40 and 193,885,698.80

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Solution

The fourth proportional to 538,920,815.60, 808,381,223.40 and 193,885,698.80 is: 290,828,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,920,815.60 : 808,381,223.40 = 193,885,698.80 : x
  2. Step 2: Convert to fraction form
    538,920,815.60/808,381,223.40 = 193,885,698.80/x
  3. Step 3: Cross multiply
    538,920,815.60x = 808,381,223.40 × 193,885,698.80
  4. Step 4: Simplify right side
    538,920,815.60x = 156,733,558,395,707,904
  5. Step 5: Solve for x
    x = 156,733,558,395,707,904/538,920,815.60
  6. Step 6: Final answer
    x = 290,828,548.20

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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.