Home / 514,651,215.74-710,224,163.08-279,701,888.54

Finding the Fourth Proportional to 514,651,215.74, 710,224,163.08 and 279,701,888.54

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Solution

The fourth proportional to 514,651,215.74, 710,224,163.08 and 279,701,888.54 is: 385,991,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,215.74 : 710,224,163.08 = 279,701,888.54 : x
  2. Step 2: Convert to fraction form
    514,651,215.74/710,224,163.08 = 279,701,888.54/x
  3. Step 3: Cross multiply
    514,651,215.74x = 710,224,163.08 × 279,701,888.54
  4. Step 4: Simplify right side
    514,651,215.74x = 198,651,039,700,216,960
  5. Step 5: Solve for x
    x = 198,651,039,700,216,960/514,651,215.74
  6. Step 6: Final answer
    x = 385,991,587.36

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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.