Home / 1,507,107,352.32-2,079,809,870.46-838,038,032.03

Finding the Fourth Proportional to 1,507,107,352.32, 2,079,809,870.46 and 838,038,032.03

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Solution

The fourth proportional to 1,507,107,352.32, 2,079,809,870.46 and 838,038,032.03 is: 1,156,493,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,107,352.32 : 2,079,809,870.46 = 838,038,032.03 : x
  2. Step 2: Convert to fraction form
    1,507,107,352.32/2,079,809,870.46 = 838,038,032.03/x
  3. Step 3: Cross multiply
    1,507,107,352.32x = 2,079,809,870.46 × 838,038,032.03
  4. Step 4: Simplify right side
    1,507,107,352.32x = 1,742,959,770,849,284,096
  5. Step 5: Solve for x
    x = 1,742,959,770,849,284,096/1,507,107,352.32
  6. Step 6: Final answer
    x = 1,156,493,442.99

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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.