Home / 578,050,812.09-797,710,904.51-313,732,813.32

Finding the Fourth Proportional to 578,050,812.09, 797,710,904.51 and 313,732,813.32

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Solution

The fourth proportional to 578,050,812.09, 797,710,904.51 and 313,732,813.32 is: 432,951,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,050,812.09 : 797,710,904.51 = 313,732,813.32 : x
  2. Step 2: Convert to fraction form
    578,050,812.09/797,710,904.51 = 313,732,813.32/x
  3. Step 3: Cross multiply
    578,050,812.09x = 797,710,904.51 × 313,732,813.32
  4. Step 4: Simplify right side
    578,050,812.09x = 250,268,086,286,395,520
  5. Step 5: Solve for x
    x = 250,268,086,286,395,520/578,050,812.09
  6. Step 6: Final answer
    x = 432,951,707.79

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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.