Home / 638,443,852.05-957,665,778.08-638,443,852.05

Finding the Fourth Proportional to 638,443,852.05, 957,665,778.08 and 638,443,852.05

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Solution

The fourth proportional to 638,443,852.05, 957,665,778.08 and 638,443,852.05 is: 957,665,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,443,852.05 : 957,665,778.08 = 638,443,852.05 : x
  2. Step 2: Convert to fraction form
    638,443,852.05/957,665,778.08 = 638,443,852.05/x
  3. Step 3: Cross multiply
    638,443,852.05x = 957,665,778.08 × 638,443,852.05
  4. Step 4: Simplify right side
    638,443,852.05x = 611,415,828,330,663,424
  5. Step 5: Solve for x
    x = 611,415,828,330,663,424/638,443,852.05
  6. Step 6: Final answer
    x = 957,665,778.08

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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.