Home / 517,939,872,005.55-714,977,103,282.25-322,719,606,583.15

Finding the Fourth Proportional to 517,939,872,005.55, 714,977,103,282.25 and 322,719,606,583.15

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Solution

The fourth proportional to 517,939,872,005.55, 714,977,103,282.25 and 322,719,606,583.15 is: 445,490,185,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,939,872,005.55 : 714,977,103,282.25 = 322,719,606,583.15 : x
  2. Step 2: Convert to fraction form
    517,939,872,005.55/714,977,103,282.25 = 322,719,606,583.15/x
  3. Step 3: Cross multiply
    517,939,872,005.55x = 714,977,103,282.25 × 322,719,606,583.15
  4. Step 4: Simplify right side
    517,939,872,005.55x = 230,737,129,487,207,925,547,008
  5. Step 5: Solve for x
    x = 230,737,129,487,207,925,547,008/517,939,872,005.55
  6. Step 6: Final answer
    x = 445,490,185,171.02

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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.