Home / 1,458,832,880.40-2,188,249,320.60-437,626,352.40

Finding the Fourth Proportional to 1,458,832,880.40, 2,188,249,320.60 and 437,626,352.40

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Solution

The fourth proportional to 1,458,832,880.40, 2,188,249,320.60 and 437,626,352.40 is: 656,439,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,832,880.40 : 2,188,249,320.60 = 437,626,352.40 : x
  2. Step 2: Convert to fraction form
    1,458,832,880.40/2,188,249,320.60 = 437,626,352.40/x
  3. Step 3: Cross multiply
    1,458,832,880.40x = 2,188,249,320.60 × 437,626,352.40
  4. Step 4: Simplify right side
    1,458,832,880.40x = 957,635,568,315,956,096
  5. Step 5: Solve for x
    x = 957,635,568,315,956,096/1,458,832,880.40
  6. Step 6: Final answer
    x = 656,439,528.60

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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.