Home / 710,097,003.40-1,064,473,658.70-419,187,512.20

Finding the Fourth Proportional to 710,097,003.40, 1,064,473,658.70 and 419,187,512.20

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Solution

The fourth proportional to 710,097,003.40, 1,064,473,658.70 and 419,187,512.20 is: 628,384,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,097,003.40 : 1,064,473,658.70 = 419,187,512.20 : x
  2. Step 2: Convert to fraction form
    710,097,003.40/1,064,473,658.70 = 419,187,512.20/x
  3. Step 3: Cross multiply
    710,097,003.40x = 1,064,473,658.70 × 419,187,512.20
  4. Step 4: Simplify right side
    710,097,003.40x = 446,214,064,792,884,864
  5. Step 5: Solve for x
    x = 446,214,064,792,884,864/710,097,003.40
  6. Step 6: Final answer
    x = 628,384,661.05

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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.