Home / 647,356,005.40-971,034,008.10-572,529,112.60

Finding the Fourth Proportional to 647,356,005.40, 971,034,008.10 and 572,529,112.60

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Solution

The fourth proportional to 647,356,005.40, 971,034,008.10 and 572,529,112.60 is: 858,793,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,356,005.40 : 971,034,008.10 = 572,529,112.60 : x
  2. Step 2: Convert to fraction form
    647,356,005.40/971,034,008.10 = 572,529,112.60/x
  3. Step 3: Cross multiply
    647,356,005.40x = 971,034,008.10 × 572,529,112.60
  4. Step 4: Simplify right side
    647,356,005.40x = 555,945,238,961,914,240
  5. Step 5: Solve for x
    x = 555,945,238,961,914,240/647,356,005.40
  6. Step 6: Final answer
    x = 858,793,668.90

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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.