Home / 514,651,088.34-710,223,987.78-279,701,765.82

Finding the Fourth Proportional to 514,651,088.34, 710,223,987.78 and 279,701,765.82

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Solution

The fourth proportional to 514,651,088.34, 710,223,987.78 and 279,701,765.82 is: 385,991,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,088.34 : 710,223,987.78 = 279,701,765.82 : x
  2. Step 2: Convert to fraction form
    514,651,088.34/710,223,987.78 = 279,701,765.82/x
  3. Step 3: Cross multiply
    514,651,088.34x = 710,223,987.78 × 279,701,765.82
  4. Step 4: Simplify right side
    514,651,088.34x = 198,650,903,509,788,096
  5. Step 5: Solve for x
    x = 198,650,903,509,788,096/514,651,088.34
  6. Step 6: Final answer
    x = 385,991,418.28

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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.