Home / 514,651,106.34-710,224,012.62-279,701,783.82

Finding the Fourth Proportional to 514,651,106.34, 710,224,012.62 and 279,701,783.82

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Solution

The fourth proportional to 514,651,106.34, 710,224,012.62 and 279,701,783.82 is: 385,991,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,106.34 : 710,224,012.62 = 279,701,783.82 : x
  2. Step 2: Convert to fraction form
    514,651,106.34/710,224,012.62 = 279,701,783.82/x
  3. Step 3: Cross multiply
    514,651,106.34x = 710,224,012.62 × 279,701,783.82
  4. Step 4: Simplify right side
    514,651,106.34x = 198,650,923,241,612,192
  5. Step 5: Solve for x
    x = 198,650,923,241,612,192/514,651,106.34
  6. Step 6: Final answer
    x = 385,991,443.12

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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.