Home / 634,064,326.47-871,905,906.80-550,287,010.50

Finding the Fourth Proportional to 634,064,326.47, 871,905,906.80 and 550,287,010.50

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Solution

The fourth proportional to 634,064,326.47, 871,905,906.80 and 550,287,010.50 is: 756,703,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,064,326.47 : 871,905,906.80 = 550,287,010.50 : x
  2. Step 2: Convert to fraction form
    634,064,326.47/871,905,906.80 = 550,287,010.50/x
  3. Step 3: Cross multiply
    634,064,326.47x = 871,905,906.80 × 550,287,010.50
  4. Step 4: Simplify right side
    634,064,326.47x = 479,798,494,890,263,616
  5. Step 5: Solve for x
    x = 479,798,494,890,263,616/634,064,326.47
  6. Step 6: Final answer
    x = 756,703,184.30

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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.