Home / 545,941,128.60-818,911,692.90-157,776,622.20

Finding the Fourth Proportional to 545,941,128.60, 818,911,692.90 and 157,776,622.20

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Solution

The fourth proportional to 545,941,128.60, 818,911,692.90 and 157,776,622.20 is: 236,664,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,941,128.60 : 818,911,692.90 = 157,776,622.20 : x
  2. Step 2: Convert to fraction form
    545,941,128.60/818,911,692.90 = 157,776,622.20/x
  3. Step 3: Cross multiply
    545,941,128.60x = 818,911,692.90 × 157,776,622.20
  4. Step 4: Simplify right side
    545,941,128.60x = 129,205,120,785,845,712
  5. Step 5: Solve for x
    x = 129,205,120,785,845,712/545,941,128.60
  6. Step 6: Final answer
    x = 236,664,933.30

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1.5x scale

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.