Home / 386,552,511.38-579,919,554.90-127,767,703.94

Finding the Fourth Proportional to 386,552,511.38, 579,919,554.90 and 127,767,703.94

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Solution

The fourth proportional to 386,552,511.38, 579,919,554.90 and 127,767,703.94 is: 191,681,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,552,511.38 : 579,919,554.90 = 127,767,703.94 : x
  2. Step 2: Convert to fraction form
    386,552,511.38/579,919,554.90 = 127,767,703.94/x
  3. Step 3: Cross multiply
    386,552,511.38x = 579,919,554.90 × 127,767,703.94
  4. Step 4: Simplify right side
    386,552,511.38x = 74,094,989,996,580,176
  5. Step 5: Solve for x
    x = 74,094,989,996,580,176/386,552,511.38
  6. Step 6: Final answer
    x = 191,681,564.12

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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.