Home / 28,585,728,194.40-42,878,607,843.60-8,957,959,567.20

Finding the Fourth Proportional to 28,585,728,194.40, 42,878,607,843.60 and 8,957,959,567.20

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Solution

The fourth proportional to 28,585,728,194.40, 42,878,607,843.60 and 8,957,959,567.20 is: 13,436,944,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,728,194.40 : 42,878,607,843.60 = 8,957,959,567.20 : x
  2. Step 2: Convert to fraction form
    28,585,728,194.40/42,878,607,843.60 = 8,957,959,567.20/x
  3. Step 3: Cross multiply
    28,585,728,194.40x = 42,878,607,843.60 × 8,957,959,567.20
  4. Step 4: Simplify right side
    28,585,728,194.40x = 384,104,835,360,793,624,576
  5. Step 5: Solve for x
    x = 384,104,835,360,793,624,576/28,585,728,194.40
  6. Step 6: Final answer
    x = 13,436,944,224.36

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Double scale
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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.