Home / 704,928,719.17-972,827,886.24-422,717,106.73

Finding the Fourth Proportional to 704,928,719.17, 972,827,886.24 and 422,717,106.73

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Solution

The fourth proportional to 704,928,719.17, 972,827,886.24 and 422,717,106.73 is: 583,365,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,928,719.17 : 972,827,886.24 = 422,717,106.73 : x
  2. Step 2: Convert to fraction form
    704,928,719.17/972,827,886.24 = 422,717,106.73/x
  3. Step 3: Cross multiply
    704,928,719.17x = 972,827,886.24 × 422,717,106.73
  4. Step 4: Simplify right side
    704,928,719.17x = 411,230,989,417,634,432
  5. Step 5: Solve for x
    x = 411,230,989,417,634,432/704,928,719.17
  6. Step 6: Final answer
    x = 583,365,350.62

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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.