Home / 520,572,541.37-718,391,499.53-282,417,725.15

Finding the Fourth Proportional to 520,572,541.37, 718,391,499.53 and 282,417,725.15

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Solution

The fourth proportional to 520,572,541.37, 718,391,499.53 and 282,417,725.15 is: 389,737,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,572,541.37 : 718,391,499.53 = 282,417,725.15 : x
  2. Step 2: Convert to fraction form
    520,572,541.37/718,391,499.53 = 282,417,725.15/x
  3. Step 3: Cross multiply
    520,572,541.37x = 718,391,499.53 × 282,417,725.15
  4. Step 4: Simplify right side
    520,572,541.37x = 202,886,493,062,049,824
  5. Step 5: Solve for x
    x = 202,886,493,062,049,824/520,572,541.37
  6. Step 6: Final answer
    x = 389,737,216.12

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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.