Home / 622,145,018.64-858,586,208.76-357,827,085.48

Finding the Fourth Proportional to 622,145,018.64, 858,586,208.76 and 357,827,085.48

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Solution

The fourth proportional to 622,145,018.64, 858,586,208.76 and 357,827,085.48 is: 493,816,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,145,018.64 : 858,586,208.76 = 357,827,085.48 : x
  2. Step 2: Convert to fraction form
    622,145,018.64/858,586,208.76 = 357,827,085.48/x
  3. Step 3: Cross multiply
    622,145,018.64x = 858,586,208.76 × 357,827,085.48
  4. Step 4: Simplify right side
    622,145,018.64x = 307,225,400,713,913,664
  5. Step 5: Solve for x
    x = 307,225,400,713,913,664/622,145,018.64
  6. Step 6: Final answer
    x = 493,816,379.64

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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.