Home / 570,121,868.93-855,185,650.89-201,657,160.74

Finding the Fourth Proportional to 570,121,868.93, 855,185,650.89 and 201,657,160.74

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Solution

The fourth proportional to 570,121,868.93, 855,185,650.89 and 201,657,160.74 is: 302,486,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,121,868.93 : 855,185,650.89 = 201,657,160.74 : x
  2. Step 2: Convert to fraction form
    570,121,868.93/855,185,650.89 = 201,657,160.74/x
  3. Step 3: Cross multiply
    570,121,868.93x = 855,185,650.89 × 201,657,160.74
  4. Step 4: Simplify right side
    570,121,868.93x = 172,454,310,264,066,272
  5. Step 5: Solve for x
    x = 172,454,310,264,066,272/570,121,868.93
  6. Step 6: Final answer
    x = 302,486,748.30

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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.