Home / 1,376,152,818.18-1,899,029,627.87-803,988,903.75

Finding the Fourth Proportional to 1,376,152,818.18, 1,899,029,627.87 and 803,988,903.75

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Solution

The fourth proportional to 1,376,152,818.18, 1,899,029,627.87 and 803,988,903.75 is: 1,109,468,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,152,818.18 : 1,899,029,627.87 = 803,988,903.75 : x
  2. Step 2: Convert to fraction form
    1,376,152,818.18/1,899,029,627.87 = 803,988,903.75/x
  3. Step 3: Cross multiply
    1,376,152,818.18x = 1,899,029,627.87 × 803,988,903.75
  4. Step 4: Simplify right side
    1,376,152,818.18x = 1,526,798,748,695,951,872
  5. Step 5: Solve for x
    x = 1,526,798,748,695,951,872/1,376,152,818.18
  6. Step 6: Final answer
    x = 1,109,468,896.57

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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.