Home / 478,641,274.86-718,036,144.50-202,293,652.50

Finding the Fourth Proportional to 478,641,274.86, 718,036,144.50 and 202,293,652.50

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Solution

The fourth proportional to 478,641,274.86, 718,036,144.50 and 202,293,652.50 is: 303,471,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,641,274.86 : 718,036,144.50 = 202,293,652.50 : x
  2. Step 2: Convert to fraction form
    478,641,274.86/718,036,144.50 = 202,293,652.50/x
  3. Step 3: Cross multiply
    478,641,274.86x = 718,036,144.50 × 202,293,652.50
  4. Step 4: Simplify right side
    478,641,274.86x = 145,254,154,297,922,784
  5. Step 5: Solve for x
    x = 145,254,154,297,922,784/478,641,274.86
  6. Step 6: Final answer
    x = 303,471,852.36

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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.