Home / 514,759,566.24-710,368,659.15-279,810,226.72

Finding the Fourth Proportional to 514,759,566.24, 710,368,659.15 and 279,810,226.72

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Solution

The fourth proportional to 514,759,566.24, 710,368,659.15 and 279,810,226.72 is: 386,138,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,759,566.24 : 710,368,659.15 = 279,810,226.72 : x
  2. Step 2: Convert to fraction form
    514,759,566.24/710,368,659.15 = 279,810,226.72/x
  3. Step 3: Cross multiply
    514,759,566.24x = 710,368,659.15 × 279,810,226.72
  4. Step 4: Simplify right side
    514,759,566.24x = 198,768,415,567,992,032
  5. Step 5: Solve for x
    x = 198,768,415,567,992,032/514,759,566.24
  6. Step 6: Final answer
    x = 386,138,361.69

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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.