Home / 634,064,325.47-871,905,905.42-550,287,009.50

Finding the Fourth Proportional to 634,064,325.47, 871,905,905.42 and 550,287,009.50

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Solution

The fourth proportional to 634,064,325.47, 871,905,905.42 and 550,287,009.50 is: 756,703,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,064,325.47 : 871,905,905.42 = 550,287,009.50 : x
  2. Step 2: Convert to fraction form
    634,064,325.47/871,905,905.42 = 550,287,009.50/x
  3. Step 3: Cross multiply
    634,064,325.47x = 871,905,905.42 × 550,287,009.50
  4. Step 4: Simplify right side
    634,064,325.47x = 479,798,493,258,961,600
  5. Step 5: Solve for x
    x = 479,798,493,258,961,600/634,064,325.47
  6. Step 6: Final answer
    x = 756,703,182.92

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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.