Home / 823,400,030.80-1,233,966,305.40-546,263,390.80

Finding the Fourth Proportional to 823,400,030.80, 1,233,966,305.40 and 546,263,390.80

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Solution

The fourth proportional to 823,400,030.80, 1,233,966,305.40 and 546,263,390.80 is: 818,642,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,400,030.80 : 1,233,966,305.40 = 546,263,390.80 : x
  2. Step 2: Convert to fraction form
    823,400,030.80/1,233,966,305.40 = 546,263,390.80/x
  3. Step 3: Cross multiply
    823,400,030.80x = 1,233,966,305.40 × 546,263,390.80
  4. Step 4: Simplify right side
    823,400,030.80x = 674,070,618,120,752,384
  5. Step 5: Solve for x
    x = 674,070,618,120,752,384/823,400,030.80
  6. Step 6: Final answer
    x = 818,642,935.28

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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.