Home / 514,651,131.40-710,224,047.18-279,701,808.88

Finding the Fourth Proportional to 514,651,131.40, 710,224,047.18 and 279,701,808.88

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Solution

The fourth proportional to 514,651,131.40, 710,224,047.18 and 279,701,808.88 is: 385,991,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,131.40 : 710,224,047.18 = 279,701,808.88 : x
  2. Step 2: Convert to fraction form
    514,651,131.40/710,224,047.18 = 279,701,808.88/x
  3. Step 3: Cross multiply
    514,651,131.40x = 710,224,047.18 × 279,701,808.88
  4. Step 4: Simplify right side
    514,651,131.40x = 198,650,950,706,320,448
  5. Step 5: Solve for x
    x = 198,650,950,706,320,448/514,651,131.40
  6. Step 6: Final answer
    x = 385,991,477.69

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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.