Home / 919,762,402.60-1,379,643,603.90-829,063,138.60

Finding the Fourth Proportional to 919,762,402.60, 1,379,643,603.90 and 829,063,138.60

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Solution

The fourth proportional to 919,762,402.60, 1,379,643,603.90 and 829,063,138.60 is: 1,243,594,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,762,402.60 : 1,379,643,603.90 = 829,063,138.60 : x
  2. Step 2: Convert to fraction form
    919,762,402.60/1,379,643,603.90 = 829,063,138.60/x
  3. Step 3: Cross multiply
    919,762,402.60x = 1,379,643,603.90 × 829,063,138.60
  4. Step 4: Simplify right side
    919,762,402.60x = 1,143,811,656,398,749,312
  5. Step 5: Solve for x
    x = 1,143,811,656,398,749,312/919,762,402.60
  6. Step 6: Final answer
    x = 1,243,594,707.90

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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.