Home / 478,641,271.86-718,036,140-202,293,649.50

Finding the Fourth Proportional to 478,641,271.86, 718,036,140 and 202,293,649.50

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Solution

The fourth proportional to 478,641,271.86, 718,036,140 and 202,293,649.50 is: 303,471,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,641,271.86 : 718,036,140 = 202,293,649.50 : x
  2. Step 2: Convert to fraction form
    478,641,271.86/718,036,140 = 202,293,649.50/x
  3. Step 3: Cross multiply
    478,641,271.86x = 718,036,140 × 202,293,649.50
  4. Step 4: Simplify right side
    478,641,271.86x = 145,254,151,233,492,928
  5. Step 5: Solve for x
    x = 145,254,151,233,492,928/478,641,271.86
  6. Step 6: Final answer
    x = 303,471,847.86

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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.