Home / 888,855,422.42-1,226,604,071.36-492,369,712.47

Finding the Fourth Proportional to 888,855,422.42, 1,226,604,071.36 and 492,369,712.47

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Solution

The fourth proportional to 888,855,422.42, 1,226,604,071.36 and 492,369,712.47 is: 679,461,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,855,422.42 : 1,226,604,071.36 = 492,369,712.47 : x
  2. Step 2: Convert to fraction form
    888,855,422.42/1,226,604,071.36 = 492,369,712.47/x
  3. Step 3: Cross multiply
    888,855,422.42x = 1,226,604,071.36 × 492,369,712.47
  4. Step 4: Simplify right side
    888,855,422.42x = 603,942,693,927,592,704
  5. Step 5: Solve for x
    x = 603,942,693,927,592,704/888,855,422.42
  6. Step 6: Final answer
    x = 679,461,112.23

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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.