Home / 828,615,003.84-1,143,919,125.36-605,346,010.92

Finding the Fourth Proportional to 828,615,003.84, 1,143,919,125.36 and 605,346,010.92

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Solution

The fourth proportional to 828,615,003.84, 1,143,919,125.36 and 605,346,010.92 is: 835,691,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,615,003.84 : 1,143,919,125.36 = 605,346,010.92 : x
  2. Step 2: Convert to fraction form
    828,615,003.84/1,143,919,125.36 = 605,346,010.92/x
  3. Step 3: Cross multiply
    828,615,003.84x = 1,143,919,125.36 × 605,346,010.92
  4. Step 4: Simplify right side
    828,615,003.84x = 692,466,879,351,771,264
  5. Step 5: Solve for x
    x = 692,466,879,351,771,264/828,615,003.84
  6. Step 6: Final answer
    x = 835,691,939.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.