Home / 1,125,252,956.72-1,552,828,527.42-623,459,910.44

Finding the Fourth Proportional to 1,125,252,956.72, 1,552,828,527.42 and 623,459,910.44

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Solution

The fourth proportional to 1,125,252,956.72, 1,552,828,527.42 and 623,459,910.44 is: 860,363,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,252,956.72 : 1,552,828,527.42 = 623,459,910.44 : x
  2. Step 2: Convert to fraction form
    1,125,252,956.72/1,552,828,527.42 = 623,459,910.44/x
  3. Step 3: Cross multiply
    1,125,252,956.72x = 1,552,828,527.42 × 623,459,910.44
  4. Step 4: Simplify right side
    1,125,252,956.72x = 968,126,334,633,950,464
  5. Step 5: Solve for x
    x = 968,126,334,633,950,464/1,125,252,956.72
  6. Step 6: Final answer
    x = 860,363,288.85

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Half scale
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Double scale
Find fourth proportional to 1,125,252,957.72, 1,552,828,528.80 and 623,459,911.44
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1.5x scale

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.