Home / 1,264,325,758.12-1,896,478,140.25-988,209,068.61

Finding the Fourth Proportional to 1,264,325,758.12, 1,896,478,140.25 and 988,209,068.61

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Solution

The fourth proportional to 1,264,325,758.12, 1,896,478,140.25 and 988,209,068.61 is: 1,482,305,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,325,758.12 : 1,896,478,140.25 = 988,209,068.61 : x
  2. Step 2: Convert to fraction form
    1,264,325,758.12/1,896,478,140.25 = 988,209,068.61/x
  3. Step 3: Cross multiply
    1,264,325,758.12x = 1,896,478,140.25 × 988,209,068.61
  4. Step 4: Simplify right side
    1,264,325,758.12x = 1,874,116,896,615,677,440
  5. Step 5: Solve for x
    x = 1,874,116,896,615,677,440/1,264,325,758.12
  6. Step 6: Final answer
    x = 1,482,305,398.41

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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.