Home / 1,314,197,232,614.30-1,813,602,829,519.20-728,256,865,692.78

Finding the Fourth Proportional to 1,314,197,232,614.30, 1,813,602,829,519.20 and 728,256,865,692.78

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Solution

The fourth proportional to 1,314,197,232,614.30, 1,813,602,829,519.20 and 728,256,865,692.78 is: 1,005,000,375,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,197,232,614.30 : 1,813,602,829,519.20 = 728,256,865,692.78 : x
  2. Step 2: Convert to fraction form
    1,314,197,232,614.30/1,813,602,829,519.20 = 728,256,865,692.78/x
  3. Step 3: Cross multiply
    1,314,197,232,614.30x = 1,813,602,829,519.20 × 728,256,865,692.78
  4. Step 4: Simplify right side
    1,314,197,232,614.30x = 1,320,768,712,237,209,750,601,728
  5. Step 5: Solve for x
    x = 1,320,768,712,237,209,750,601,728/1,314,197,232,614.30
  6. Step 6: Final answer
    x = 1,005,000,375,483.85

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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.