Home / 397,868,130,142.45-549,510,925,211.31-267,430,528,181.23

Finding the Fourth Proportional to 397,868,130,142.45, 549,510,925,211.31 and 267,430,528,181.23

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Solution

The fourth proportional to 397,868,130,142.45, 549,510,925,211.31 and 267,430,528,181.23 is: 369,358,553,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,868,130,142.45 : 549,510,925,211.31 = 267,430,528,181.23 : x
  2. Step 2: Convert to fraction form
    397,868,130,142.45/549,510,925,211.31 = 267,430,528,181.23/x
  3. Step 3: Cross multiply
    397,868,130,142.45x = 549,510,925,211.31 × 267,430,528,181.23
  4. Step 4: Simplify right side
    397,868,130,142.45x = 146,955,996,970,617,015,369,728
  5. Step 5: Solve for x
    x = 146,955,996,970,617,015,369,728/397,868,130,142.45
  6. Step 6: Final answer
    x = 369,358,553,342.79

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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.