Home / 517,153,809.60-713,687,400.63-282,219,608.16

Finding the Fourth Proportional to 517,153,809.60, 713,687,400.63 and 282,219,608.16

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Solution

The fourth proportional to 517,153,809.60, 713,687,400.63 and 282,219,608.16 is: 389,471,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,153,809.60 : 713,687,400.63 = 282,219,608.16 : x
  2. Step 2: Convert to fraction form
    517,153,809.60/713,687,400.63 = 282,219,608.16/x
  3. Step 3: Cross multiply
    517,153,809.60x = 713,687,400.63 × 282,219,608.16
  4. Step 4: Simplify right side
    517,153,809.60x = 201,416,578,554,527,552
  5. Step 5: Solve for x
    x = 201,416,578,554,527,552/517,153,809.60
  6. Step 6: Final answer
    x = 389,471,323.26

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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.