Home / 677,832,657.48-935,334,215.46-380,406,679.56

Finding the Fourth Proportional to 677,832,657.48, 935,334,215.46 and 380,406,679.56

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Solution

The fourth proportional to 677,832,657.48, 935,334,215.46 and 380,406,679.56 is: 524,919,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,832,657.48 : 935,334,215.46 = 380,406,679.56 : x
  2. Step 2: Convert to fraction form
    677,832,657.48/935,334,215.46 = 380,406,679.56/x
  3. Step 3: Cross multiply
    677,832,657.48x = 935,334,215.46 × 380,406,679.56
  4. Step 4: Simplify right side
    677,832,657.48x = 355,807,383,181,996,224
  5. Step 5: Solve for x
    x = 355,807,383,181,996,224/677,832,657.48
  6. Step 6: Final answer
    x = 524,919,210.16

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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.