Home / 933,161,873.70-1,399,742,810.55-727,576,875.30

Finding the Fourth Proportional to 933,161,873.70, 1,399,742,810.55 and 727,576,875.30

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Solution

The fourth proportional to 933,161,873.70, 1,399,742,810.55 and 727,576,875.30 is: 1,091,365,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,161,873.70 : 1,399,742,810.55 = 727,576,875.30 : x
  2. Step 2: Convert to fraction form
    933,161,873.70/1,399,742,810.55 = 727,576,875.30/x
  3. Step 3: Cross multiply
    933,161,873.70x = 1,399,742,810.55 × 727,576,875.30
  4. Step 4: Simplify right side
    933,161,873.70x = 1,018,420,500,323,608,832
  5. Step 5: Solve for x
    x = 1,018,420,500,323,608,832/933,161,873.70
  6. Step 6: Final answer
    x = 1,091,365,312.95

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1.5x scale

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.