Home / 8,128,852,664.90-11,196,915,341.01-5,745,893,807.48

Finding the Fourth Proportional to 8,128,852,664.90, 11,196,915,341.01 and 5,745,893,807.48

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Solution

The fourth proportional to 8,128,852,664.90, 11,196,915,341.01 and 5,745,893,807.48 is: 7,914,559,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,852,664.90 : 11,196,915,341.01 = 5,745,893,807.48 : x
  2. Step 2: Convert to fraction form
    8,128,852,664.90/11,196,915,341.01 = 5,745,893,807.48/x
  3. Step 3: Cross multiply
    8,128,852,664.90x = 11,196,915,341.01 × 5,745,893,807.48
  4. Step 4: Simplify right side
    8,128,852,664.90x = 64,336,286,520,787,165,184
  5. Step 5: Solve for x
    x = 64,336,286,520,787,165,184/8,128,852,664.90
  6. Step 6: Final answer
    x = 7,914,559,307.81

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1.5x scale

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.