Home / 1,129,460,037.60-1,694,190,056.40-517,240,005.60

Finding the Fourth Proportional to 1,129,460,037.60, 1,694,190,056.40 and 517,240,005.60

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Solution

The fourth proportional to 1,129,460,037.60, 1,694,190,056.40 and 517,240,005.60 is: 775,860,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,460,037.60 : 1,694,190,056.40 = 517,240,005.60 : x
  2. Step 2: Convert to fraction form
    1,129,460,037.60/1,694,190,056.40 = 517,240,005.60/x
  3. Step 3: Cross multiply
    1,129,460,037.60x = 1,694,190,056.40 × 517,240,005.60
  4. Step 4: Simplify right side
    1,129,460,037.60x = 876,302,874,259,800,448
  5. Step 5: Solve for x
    x = 876,302,874,259,800,448/1,129,460,037.60
  6. Step 6: Final answer
    x = 775,860,008.40

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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.