Home / 800,736,006.40-1,201,104,009.60-493,030,355.20

Finding the Fourth Proportional to 800,736,006.40, 1,201,104,009.60 and 493,030,355.20

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Solution

The fourth proportional to 800,736,006.40, 1,201,104,009.60 and 493,030,355.20 is: 739,545,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,736,006.40 : 1,201,104,009.60 = 493,030,355.20 : x
  2. Step 2: Convert to fraction form
    800,736,006.40/1,201,104,009.60 = 493,030,355.20/x
  3. Step 3: Cross multiply
    800,736,006.40x = 1,201,104,009.60 × 493,030,355.20
  4. Step 4: Simplify right side
    800,736,006.40x = 592,180,736,485,232,128
  5. Step 5: Solve for x
    x = 592,180,736,485,232,128/800,736,006.40
  6. Step 6: Final answer
    x = 739,545,532.80

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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.