Home / 557,638,539.20-836,457,808.80-194,012,043.20

Finding the Fourth Proportional to 557,638,539.20, 836,457,808.80 and 194,012,043.20

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Solution

The fourth proportional to 557,638,539.20, 836,457,808.80 and 194,012,043.20 is: 291,018,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,638,539.20 : 836,457,808.80 = 194,012,043.20 : x
  2. Step 2: Convert to fraction form
    557,638,539.20/836,457,808.80 = 194,012,043.20/x
  3. Step 3: Cross multiply
    557,638,539.20x = 836,457,808.80 × 194,012,043.20
  4. Step 4: Simplify right side
    557,638,539.20x = 162,282,888,535,882,912
  5. Step 5: Solve for x
    x = 162,282,888,535,882,912/557,638,539.20
  6. Step 6: Final answer
    x = 291,018,064.80

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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.