Home / 1,235,611,985.60-1,853,389,639.20-622,031,441.60

Finding the Fourth Proportional to 1,235,611,985.60, 1,853,389,639.20 and 622,031,441.60

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Solution

The fourth proportional to 1,235,611,985.60, 1,853,389,639.20 and 622,031,441.60 is: 933,032,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,611,985.60 : 1,853,389,639.20 = 622,031,441.60 : x
  2. Step 2: Convert to fraction form
    1,235,611,985.60/1,853,389,639.20 = 622,031,441.60/x
  3. Step 3: Cross multiply
    1,235,611,985.60x = 1,853,389,639.20 × 622,031,441.60
  4. Step 4: Simplify right side
    1,235,611,985.60x = 1,152,866,629,118,080,000
  5. Step 5: Solve for x
    x = 1,152,866,629,118,080,000/1,235,611,985.60
  6. Step 6: Final answer
    x = 933,032,895.89

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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.