Home / 1,009,997,758.53-1,513,657,319.00-518,691,182.85

Finding the Fourth Proportional to 1,009,997,758.53, 1,513,657,319.00 and 518,691,182.85

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Solution

The fourth proportional to 1,009,997,758.53, 1,513,657,319.00 and 518,691,182.85 is: 777,348,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,997,758.53 : 1,513,657,319.00 = 518,691,182.85 : x
  2. Step 2: Convert to fraction form
    1,009,997,758.53/1,513,657,319.00 = 518,691,182.85/x
  3. Step 3: Cross multiply
    1,009,997,758.53x = 1,513,657,319.00 × 518,691,182.85
  4. Step 4: Simplify right side
    1,009,997,758.53x = 785,120,705,219,076,352
  5. Step 5: Solve for x
    x = 785,120,705,219,076,352/1,009,997,758.53
  6. Step 6: Final answer
    x = 777,348,958.04

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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.