Home / 638,538,424.10-957,807,636.15-638,538,424.10

Finding the Fourth Proportional to 638,538,424.10, 957,807,636.15 and 638,538,424.10

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Solution

The fourth proportional to 638,538,424.10, 957,807,636.15 and 638,538,424.10 is: 957,807,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,538,424.10 : 957,807,636.15 = 638,538,424.10 : x
  2. Step 2: Convert to fraction form
    638,538,424.10/957,807,636.15 = 638,538,424.10/x
  3. Step 3: Cross multiply
    638,538,424.10x = 957,807,636.15 × 638,538,424.10
  4. Step 4: Simplify right side
    638,538,424.10x = 611,596,978,578,167,168
  5. Step 5: Solve for x
    x = 611,596,978,578,167,168/638,538,424.10
  6. Step 6: Final answer
    x = 957,807,636.15

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Double scale
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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.