Home / 1,105,237,276.12-1,525,361,186.10-629,043,424.88

Finding the Fourth Proportional to 1,105,237,276.12, 1,525,361,186.10 and 629,043,424.88

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Solution

The fourth proportional to 1,105,237,276.12, 1,525,361,186.10 and 629,043,424.88 is: 868,156,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,237,276.12 : 1,525,361,186.10 = 629,043,424.88 : x
  2. Step 2: Convert to fraction form
    1,105,237,276.12/1,525,361,186.10 = 629,043,424.88/x
  3. Step 3: Cross multiply
    1,105,237,276.12x = 1,525,361,186.10 × 629,043,424.88
  4. Step 4: Simplify right side
    1,105,237,276.12x = 959,518,424,683,362,944
  5. Step 5: Solve for x
    x = 959,518,424,683,362,944/1,105,237,276.12
  6. Step 6: Final answer
    x = 868,156,047.05

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Double scale
Find fourth proportional to 1,105,237,277.12, 1,525,361,187.48 and 629,043,425.88
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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.