Home / 699,019,200.48-964,669,666.14-381,496,832.82

Finding the Fourth Proportional to 699,019,200.48, 964,669,666.14 and 381,496,832.82

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Solution

The fourth proportional to 699,019,200.48, 964,669,666.14 and 381,496,832.82 is: 526,478,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,019,200.48 : 964,669,666.14 = 381,496,832.82 : x
  2. Step 2: Convert to fraction form
    699,019,200.48/964,669,666.14 = 381,496,832.82/x
  3. Step 3: Cross multiply
    699,019,200.48x = 964,669,666.14 × 381,496,832.82
  4. Step 4: Simplify right side
    699,019,200.48x = 368,018,422,349,936,768
  5. Step 5: Solve for x
    x = 368,018,422,349,936,768/699,019,200.48
  6. Step 6: Final answer
    x = 526,478,274.27

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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.