Home / 1,450,872,759.15-2,176,309,138.73-360,355,827.15

Finding the Fourth Proportional to 1,450,872,759.15, 2,176,309,138.73 and 360,355,827.15

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Solution

The fourth proportional to 1,450,872,759.15, 2,176,309,138.73 and 360,355,827.15 is: 540,533,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,872,759.15 : 2,176,309,138.73 = 360,355,827.15 : x
  2. Step 2: Convert to fraction form
    1,450,872,759.15/2,176,309,138.73 = 360,355,827.15/x
  3. Step 3: Cross multiply
    1,450,872,759.15x = 2,176,309,138.73 × 360,355,827.15
  4. Step 4: Simplify right side
    1,450,872,759.15x = 784,245,679,821,153,152
  5. Step 5: Solve for x
    x = 784,245,679,821,153,152/1,450,872,759.15
  6. Step 6: Final answer
    x = 540,533,740.73

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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.