Home / 1,752,220,878.60-2,628,331,317.90-459,887,003.40

Finding the Fourth Proportional to 1,752,220,878.60, 2,628,331,317.90 and 459,887,003.40

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Solution

The fourth proportional to 1,752,220,878.60, 2,628,331,317.90 and 459,887,003.40 is: 689,830,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,220,878.60 : 2,628,331,317.90 = 459,887,003.40 : x
  2. Step 2: Convert to fraction form
    1,752,220,878.60/2,628,331,317.90 = 459,887,003.40/x
  3. Step 3: Cross multiply
    1,752,220,878.60x = 2,628,331,317.90 × 459,887,003.40
  4. Step 4: Simplify right side
    1,752,220,878.60x = 1,208,735,413,731,403,776
  5. Step 5: Solve for x
    x = 1,208,735,413,731,403,776/1,752,220,878.60
  6. Step 6: Final answer
    x = 689,830,505.10

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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.