Home / 514,759,568.24-710,368,661.91-279,810,228.72

Finding the Fourth Proportional to 514,759,568.24, 710,368,661.91 and 279,810,228.72

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Solution

The fourth proportional to 514,759,568.24, 710,368,661.91 and 279,810,228.72 is: 386,138,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,759,568.24 : 710,368,661.91 = 279,810,228.72 : x
  2. Step 2: Convert to fraction form
    514,759,568.24/710,368,661.91 = 279,810,228.72/x
  3. Step 3: Cross multiply
    514,759,568.24x = 710,368,661.91 × 279,810,228.72
  4. Step 4: Simplify right side
    514,759,568.24x = 198,768,417,764,557,472
  5. Step 5: Solve for x
    x = 198,768,417,764,557,472/514,759,568.24
  6. Step 6: Final answer
    x = 386,138,364.45

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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.