Home / 1,016,542,376.56-1,525,458,601.20-434,281,001.68

Finding the Fourth Proportional to 1,016,542,376.56, 1,525,458,601.20 and 434,281,001.68

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Solution

The fourth proportional to 1,016,542,376.56, 1,525,458,601.20 and 434,281,001.68 is: 651,697,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,542,376.56 : 1,525,458,601.20 = 434,281,001.68 : x
  2. Step 2: Convert to fraction form
    1,016,542,376.56/1,525,458,601.20 = 434,281,001.68/x
  3. Step 3: Cross multiply
    1,016,542,376.56x = 1,525,458,601.20 × 434,281,001.68
  4. Step 4: Simplify right side
    1,016,542,376.56x = 662,477,689,350,507,648
  5. Step 5: Solve for x
    x = 662,477,689,350,507,648/1,016,542,376.56
  6. Step 6: Final answer
    x = 651,697,071.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.