Home / 1,011,072,907.17-1,395,285,771.47-565,043,714.73

Finding the Fourth Proportional to 1,011,072,907.17, 1,395,285,771.47 and 565,043,714.73

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Solution

The fourth proportional to 1,011,072,907.17, 1,395,285,771.47 and 565,043,714.73 is: 779,763,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,072,907.17 : 1,395,285,771.47 = 565,043,714.73 : x
  2. Step 2: Convert to fraction form
    1,011,072,907.17/1,395,285,771.47 = 565,043,714.73/x
  3. Step 3: Cross multiply
    1,011,072,907.17x = 1,395,285,771.47 × 565,043,714.73
  4. Step 4: Simplify right side
    1,011,072,907.17x = 788,397,455,418,497,408
  5. Step 5: Solve for x
    x = 788,397,455,418,497,408/1,011,072,907.17
  6. Step 6: Final answer
    x = 779,763,209.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.