Home / 807,057,716.10-1,210,586,574.15-261,799,250.10

Finding the Fourth Proportional to 807,057,716.10, 1,210,586,574.15 and 261,799,250.10

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Solution

The fourth proportional to 807,057,716.10, 1,210,586,574.15 and 261,799,250.10 is: 392,698,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,057,716.10 : 1,210,586,574.15 = 261,799,250.10 : x
  2. Step 2: Convert to fraction form
    807,057,716.10/1,210,586,574.15 = 261,799,250.10/x
  3. Step 3: Cross multiply
    807,057,716.10x = 1,210,586,574.15 × 261,799,250.10
  4. Step 4: Simplify right side
    807,057,716.10x = 316,930,657,293,598,080
  5. Step 5: Solve for x
    x = 316,930,657,293,598,080/807,057,716.10
  6. Step 6: Final answer
    x = 392,698,875.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.