Home / 1,376,152,820.18-1,899,029,630.62-803,988,905.75

Finding the Fourth Proportional to 1,376,152,820.18, 1,899,029,630.62 and 803,988,905.75

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Solution

The fourth proportional to 1,376,152,820.18, 1,899,029,630.62 and 803,988,905.75 is: 1,109,468,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,152,820.18 : 1,899,029,630.62 = 803,988,905.75 : x
  2. Step 2: Convert to fraction form
    1,376,152,820.18/1,899,029,630.62 = 803,988,905.75/x
  3. Step 3: Cross multiply
    1,376,152,820.18x = 1,899,029,630.62 × 803,988,905.75
  4. Step 4: Simplify right side
    1,376,152,820.18x = 1,526,798,754,709,000,448
  5. Step 5: Solve for x
    x = 1,526,798,754,709,000,448/1,376,152,820.18
  6. Step 6: Final answer
    x = 1,109,468,899.33

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1.5x scale

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.