Home / 1,092,906,026.40-1,638,792,169.20-402,457,879.20

Finding the Fourth Proportional to 1,092,906,026.40, 1,638,792,169.20 and 402,457,879.20

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Solution

The fourth proportional to 1,092,906,026.40, 1,638,792,169.20 and 402,457,879.20 is: 603,478,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,906,026.40 : 1,638,792,169.20 = 402,457,879.20 : x
  2. Step 2: Convert to fraction form
    1,092,906,026.40/1,638,792,169.20 = 402,457,879.20/x
  3. Step 3: Cross multiply
    1,092,906,026.40x = 1,638,792,169.20 × 402,457,879.20
  4. Step 4: Simplify right side
    1,092,906,026.40x = 659,544,820,865,799,552
  5. Step 5: Solve for x
    x = 659,544,820,865,799,552/1,092,906,026.40
  6. Step 6: Final answer
    x = 603,478,071.25

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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.