Home / 1,657,990,145.20-2,488,577,742.60-841,024,922.80

Finding the Fourth Proportional to 1,657,990,145.20, 2,488,577,742.60 and 841,024,922.80

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Solution

The fourth proportional to 1,657,990,145.20, 2,488,577,742.60 and 841,024,922.80 is: 1,262,345,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,990,145.20 : 2,488,577,742.60 = 841,024,922.80 : x
  2. Step 2: Convert to fraction form
    1,657,990,145.20/2,488,577,742.60 = 841,024,922.80/x
  3. Step 3: Cross multiply
    1,657,990,145.20x = 2,488,577,742.60 × 841,024,922.80
  4. Step 4: Simplify right side
    1,657,990,145.20x = 2,092,955,903,851,963,136
  5. Step 5: Solve for x
    x = 2,092,955,903,851,963,136/1,657,990,145.20
  6. Step 6: Final answer
    x = 1,262,345,201.45

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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.