Home / 458,136,329.94-687,312,095.40-151,428,410.10

Finding the Fourth Proportional to 458,136,329.94, 687,312,095.40 and 151,428,410.10

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Solution

The fourth proportional to 458,136,329.94, 687,312,095.40 and 151,428,410.10 is: 227,178,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,136,329.94 : 687,312,095.40 = 151,428,410.10 : x
  2. Step 2: Convert to fraction form
    458,136,329.94/687,312,095.40 = 151,428,410.10/x
  3. Step 3: Cross multiply
    458,136,329.94x = 687,312,095.40 × 151,428,410.10
  4. Step 4: Simplify right side
    458,136,329.94x = 104,078,577,848,921,520
  5. Step 5: Solve for x
    x = 104,078,577,848,921,520/458,136,329.94
  6. Step 6: Final answer
    x = 227,178,180.48

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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.