Home / 320,495,976.16-480,743,216.64-210,525,803.36

Finding the Fourth Proportional to 320,495,976.16, 480,743,216.64 and 210,525,803.36

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Solution

The fourth proportional to 320,495,976.16, 480,743,216.64 and 210,525,803.36 is: 315,788,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,495,976.16 : 480,743,216.64 = 210,525,803.36 : x
  2. Step 2: Convert to fraction form
    320,495,976.16/480,743,216.64 = 210,525,803.36/x
  3. Step 3: Cross multiply
    320,495,976.16x = 480,743,216.64 × 210,525,803.36
  4. Step 4: Simplify right side
    320,495,976.16x = 101,208,851,893,006,528
  5. Step 5: Solve for x
    x = 101,208,851,893,006,528/320,495,976.16
  6. Step 6: Final answer
    x = 315,788,213.96

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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.