Home / 823,400,278.80-1,233,966,677.40-546,263,638.80

Finding the Fourth Proportional to 823,400,278.80, 1,233,966,677.40 and 546,263,638.80

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Solution

The fourth proportional to 823,400,278.80, 1,233,966,677.40 and 546,263,638.80 is: 818,643,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,400,278.80 : 1,233,966,677.40 = 546,263,638.80 : x
  2. Step 2: Convert to fraction form
    823,400,278.80/1,233,966,677.40 = 546,263,638.80/x
  3. Step 3: Cross multiply
    823,400,278.80x = 1,233,966,677.40 × 546,263,638.80
  4. Step 4: Simplify right side
    823,400,278.80x = 674,071,127,354,469,760
  5. Step 5: Solve for x
    x = 674,071,127,354,469,760/823,400,278.80
  6. Step 6: Final answer
    x = 818,643,307.16

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Double scale
Find fourth proportional to 823,400,279.80, 1,233,966,678.90 and 546,263,639.80
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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.