Home / 1,450,872,752.40-2,176,309,128.60-360,355,820.40

Finding the Fourth Proportional to 1,450,872,752.40, 2,176,309,128.60 and 360,355,820.40

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Solution

The fourth proportional to 1,450,872,752.40, 2,176,309,128.60 and 360,355,820.40 is: 540,533,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,872,752.40 : 2,176,309,128.60 = 360,355,820.40 : x
  2. Step 2: Convert to fraction form
    1,450,872,752.40/2,176,309,128.60 = 360,355,820.40/x
  3. Step 3: Cross multiply
    1,450,872,752.40x = 2,176,309,128.60 × 360,355,820.40
  4. Step 4: Simplify right side
    1,450,872,752.40x = 784,245,661,480,662,016
  5. Step 5: Solve for x
    x = 784,245,661,480,662,016/1,450,872,752.40
  6. Step 6: Final answer
    x = 540,533,730.60

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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.