Home / 651,726,010.20-977,589,015.30-621,492,922.20

Finding the Fourth Proportional to 651,726,010.20, 977,589,015.30 and 621,492,922.20

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Solution

The fourth proportional to 651,726,010.20, 977,589,015.30 and 621,492,922.20 is: 932,239,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,726,010.20 : 977,589,015.30 = 621,492,922.20 : x
  2. Step 2: Convert to fraction form
    651,726,010.20/977,589,015.30 = 621,492,922.20/x
  3. Step 3: Cross multiply
    651,726,010.20x = 977,589,015.30 × 621,492,922.20
  4. Step 4: Simplify right side
    651,726,010.20x = 607,564,653,829,417,472
  5. Step 5: Solve for x
    x = 607,564,653,829,417,472/651,726,010.20
  6. Step 6: Final answer
    x = 932,239,383.30

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Half scale
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Double scale
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Similar ratio
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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.