Home / 507,853,467,219.88-700,837,899,159.60-279,482,709,205.90

Finding the Fourth Proportional to 507,853,467,219.88, 700,837,899,159.60 and 279,482,709,205.90

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Solution

The fourth proportional to 507,853,467,219.88, 700,837,899,159.60 and 279,482,709,205.90 is: 385,686,201,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,853,467,219.88 : 700,837,899,159.60 = 279,482,709,205.90 : x
  2. Step 2: Convert to fraction form
    507,853,467,219.88/700,837,899,159.60 = 279,482,709,205.90/x
  3. Step 3: Cross multiply
    507,853,467,219.88x = 700,837,899,159.60 × 279,482,709,205.90
  4. Step 4: Simplify right side
    507,853,467,219.88x = 195,872,074,771,296,369,508,352
  5. Step 5: Solve for x
    x = 195,872,074,771,296,369,508,352/507,853,467,219.88
  6. Step 6: Final answer
    x = 385,686,201,658.82

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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.