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Finding the Fourth Proportional to 971,837,163.60, 1,457,755,745.40 and 897,010,270.80

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Solution

The fourth proportional to 971,837,163.60, 1,457,755,745.40 and 897,010,270.80 is: 1,345,515,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,837,163.60 : 1,457,755,745.40 = 897,010,270.80 : x
  2. Step 2: Convert to fraction form
    971,837,163.60/1,457,755,745.40 = 897,010,270.80/x
  3. Step 3: Cross multiply
    971,837,163.60x = 1,457,755,745.40 × 897,010,270.80
  4. Step 4: Simplify right side
    971,837,163.60x = 1,307,621,875,941,509,888
  5. Step 5: Solve for x
    x = 1,307,621,875,941,509,888/971,837,163.60
  6. Step 6: Final answer
    x = 1,345,515,406.20

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1.5x scale

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.