Home / 657,877,680.81-986,118,685.97-307,828,822.77

Finding the Fourth Proportional to 657,877,680.81, 986,118,685.97 and 307,828,822.77

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Solution

The fourth proportional to 657,877,680.81, 986,118,685.97 and 307,828,822.77 is: 461,416,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,877,680.81 : 986,118,685.97 = 307,828,822.77 : x
  2. Step 2: Convert to fraction form
    657,877,680.81/986,118,685.97 = 307,828,822.77/x
  3. Step 3: Cross multiply
    657,877,680.81x = 986,118,685.97 × 307,828,822.77
  4. Step 4: Simplify right side
    657,877,680.81x = 303,555,754,212,105,280
  5. Step 5: Solve for x
    x = 303,555,754,212,105,280/657,877,680.81
  6. Step 6: Final answer
    x = 461,416,708.71

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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.