Home / 567,474,632.96-783,159,357.20-316,657,886.72

Finding the Fourth Proportional to 567,474,632.96, 783,159,357.20 and 316,657,886.72

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Solution

The fourth proportional to 567,474,632.96, 783,159,357.20 and 316,657,886.72 is: 437,012,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,474,632.96 : 783,159,357.20 = 316,657,886.72 : x
  2. Step 2: Convert to fraction form
    567,474,632.96/783,159,357.20 = 316,657,886.72/x
  3. Step 3: Cross multiply
    567,474,632.96x = 783,159,357.20 × 316,657,886.72
  4. Step 4: Simplify right side
    567,474,632.96x = 247,993,587,015,945,664
  5. Step 5: Solve for x
    x = 247,993,587,015,945,664/567,474,632.96
  6. Step 6: Final answer
    x = 437,012,639.18

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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.