Home / 657,877,685.31-986,118,692.72-307,828,827.27

Finding the Fourth Proportional to 657,877,685.31, 986,118,692.72 and 307,828,827.27

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Solution

The fourth proportional to 657,877,685.31, 986,118,692.72 and 307,828,827.27 is: 461,416,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,877,685.31 : 986,118,692.72 = 307,828,827.27 : x
  2. Step 2: Convert to fraction form
    657,877,685.31/986,118,692.72 = 307,828,827.27/x
  3. Step 3: Cross multiply
    657,877,685.31x = 986,118,692.72 × 307,828,827.27
  4. Step 4: Simplify right side
    657,877,685.31x = 303,555,760,727,483,904
  5. Step 5: Solve for x
    x = 303,555,760,727,483,904/657,877,685.31
  6. Step 6: Final answer
    x = 461,416,715.46

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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.