Home / 889,762,259.40-1,335,041,520.30-404,838,457.80

Finding the Fourth Proportional to 889,762,259.40, 1,335,041,520.30 and 404,838,457.80

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Solution

The fourth proportional to 889,762,259.40, 1,335,041,520.30 and 404,838,457.80 is: 607,438,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,762,259.40 : 1,335,041,520.30 = 404,838,457.80 : x
  2. Step 2: Convert to fraction form
    889,762,259.40/1,335,041,520.30 = 404,838,457.80/x
  3. Step 3: Cross multiply
    889,762,259.40x = 1,335,041,520.30 × 404,838,457.80
  4. Step 4: Simplify right side
    889,762,259.40x = 540,476,150,177,219,392
  5. Step 5: Solve for x
    x = 540,476,150,177,219,392/889,762,259.40
  6. Step 6: Final answer
    x = 607,438,834.89

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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.