Home / 2,220,852,820.57-3,065,105,829.47-1,406,189,958.66

Finding the Fourth Proportional to 2,220,852,820.57, 3,065,105,829.47 and 1,406,189,958.66

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Solution

The fourth proportional to 2,220,852,820.57, 3,065,105,829.47 and 1,406,189,958.66 is: 1,940,750,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,852,820.57 : 3,065,105,829.47 = 1,406,189,958.66 : x
  2. Step 2: Convert to fraction form
    2,220,852,820.57/3,065,105,829.47 = 1,406,189,958.66/x
  3. Step 3: Cross multiply
    2,220,852,820.57x = 3,065,105,829.47 × 1,406,189,958.66
  4. Step 4: Simplify right side
    2,220,852,820.57x = 4,310,121,039,623,913,984
  5. Step 5: Solve for x
    x = 4,310,121,039,623,913,984/2,220,852,820.57
  6. Step 6: Final answer
    x = 1,940,750,417.91

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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.