Home / 705,255,619.40-1,057,883,429.10-510,756,086.60

Finding the Fourth Proportional to 705,255,619.40, 1,057,883,429.10 and 510,756,086.60

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Solution

The fourth proportional to 705,255,619.40, 1,057,883,429.10 and 510,756,086.60 is: 766,134,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,255,619.40 : 1,057,883,429.10 = 510,756,086.60 : x
  2. Step 2: Convert to fraction form
    705,255,619.40/1,057,883,429.10 = 510,756,086.60/x
  3. Step 3: Cross multiply
    705,255,619.40x = 1,057,883,429.10 × 510,756,086.60
  4. Step 4: Simplify right side
    705,255,619.40x = 540,320,400,326,104,576
  5. Step 5: Solve for x
    x = 540,320,400,326,104,576/705,255,619.40
  6. Step 6: Final answer
    x = 766,134,129.90

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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.