Home / 1,264,670,102.92-1,899,176,077.50-776,251,417

Finding the Fourth Proportional to 1,264,670,102.92, 1,899,176,077.50 and 776,251,417

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Solution

The fourth proportional to 1,264,670,102.92, 1,899,176,077.50 and 776,251,417 is: 1,165,709,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,670,102.92 : 1,899,176,077.50 = 776,251,417 : x
  2. Step 2: Convert to fraction form
    1,264,670,102.92/1,899,176,077.50 = 776,251,417/x
  3. Step 3: Cross multiply
    1,264,670,102.92x = 1,899,176,077.50 × 776,251,417
  4. Step 4: Simplify right side
    1,264,670,102.92x = 1,474,238,121,291,876,864
  5. Step 5: Solve for x
    x = 1,474,238,121,291,876,864/1,264,670,102.92
  6. Step 6: Final answer
    x = 1,165,709,632.80

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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.