Home / 403,079,883,961.59-556,250,218,594.53-217,681,575,090.91

Finding the Fourth Proportional to 403,079,883,961.59, 556,250,218,594.53 and 217,681,575,090.91

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Solution

The fourth proportional to 403,079,883,961.59, 556,250,218,594.53 and 217,681,575,090.91 is: 300,400,562,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,079,883,961.59 : 556,250,218,594.53 = 217,681,575,090.91 : x
  2. Step 2: Convert to fraction form
    403,079,883,961.59/556,250,218,594.53 = 217,681,575,090.91/x
  3. Step 3: Cross multiply
    403,079,883,961.59x = 556,250,218,594.53 × 217,681,575,090.91
  4. Step 4: Simplify right side
    403,079,883,961.59x = 121,085,423,728,320,290,226,176
  5. Step 5: Solve for x
    x = 121,085,423,728,320,290,226,176/403,079,883,961.59
  6. Step 6: Final answer
    x = 300,400,562,137.35

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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.