Home / 81,798,681,483.64-122,710,290,590.28-28,730,361,033.60

Finding the Fourth Proportional to 81,798,681,483.64, 122,710,290,590.28 and 28,730,361,033.60

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Solution

The fourth proportional to 81,798,681,483.64, 122,710,290,590.28 and 28,730,361,033.60 is: 43,099,850,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,798,681,483.64 : 122,710,290,590.28 = 28,730,361,033.60 : x
  2. Step 2: Convert to fraction form
    81,798,681,483.64/122,710,290,590.28 = 28,730,361,033.60/x
  3. Step 3: Cross multiply
    81,798,681,483.64x = 122,710,290,590.28 × 28,730,361,033.60
  4. Step 4: Simplify right side
    81,798,681,483.64x = 3,525,510,951,196,713,025,536
  5. Step 5: Solve for x
    x = 3,525,510,951,196,713,025,536/81,798,681,483.64
  6. Step 6: Final answer
    x = 43,099,850,599.69

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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.