Home / 1,726,277,688.40-2,589,416,532.60-988,590,341.20

Finding the Fourth Proportional to 1,726,277,688.40, 2,589,416,532.60 and 988,590,341.20

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Solution

The fourth proportional to 1,726,277,688.40, 2,589,416,532.60 and 988,590,341.20 is: 1,482,885,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,277,688.40 : 2,589,416,532.60 = 988,590,341.20 : x
  2. Step 2: Convert to fraction form
    1,726,277,688.40/2,589,416,532.60 = 988,590,341.20/x
  3. Step 3: Cross multiply
    1,726,277,688.40x = 2,589,416,532.60 × 988,590,341.20
  4. Step 4: Simplify right side
    1,726,277,688.40x = 2,559,872,173,471,954,944
  5. Step 5: Solve for x
    x = 2,559,872,173,471,954,944/1,726,277,688.40
  6. Step 6: Final answer
    x = 1,482,885,511.80

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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.