Home / 766,626,897.36-1,058,817,793.50-515,294,944.41

Finding the Fourth Proportional to 766,626,897.36, 1,058,817,793.50 and 515,294,944.41

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Solution

The fourth proportional to 766,626,897.36, 1,058,817,793.50 and 515,294,944.41 is: 711,693,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,626,897.36 : 1,058,817,793.50 = 515,294,944.41 : x
  2. Step 2: Convert to fraction form
    766,626,897.36/1,058,817,793.50 = 515,294,944.41/x
  3. Step 3: Cross multiply
    766,626,897.36x = 1,058,817,793.50 × 515,294,944.41
  4. Step 4: Simplify right side
    766,626,897.36x = 545,603,456,041,901,376
  5. Step 5: Solve for x
    x = 545,603,456,041,901,376/766,626,897.36
  6. Step 6: Final answer
    x = 711,693,599.48

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1.5x scale

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.