Home / 28,255,112,341.98-42,388,874,368.56-8,356,448,410.92

Finding the Fourth Proportional to 28,255,112,341.98, 42,388,874,368.56 and 8,356,448,410.92

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Solution

The fourth proportional to 28,255,112,341.98, 42,388,874,368.56 and 8,356,448,410.92 is: 12,536,507,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,112,341.98 : 42,388,874,368.56 = 8,356,448,410.92 : x
  2. Step 2: Convert to fraction form
    28,255,112,341.98/42,388,874,368.56 = 8,356,448,410.92/x
  3. Step 3: Cross multiply
    28,255,112,341.98x = 42,388,874,368.56 × 8,356,448,410.92
  4. Step 4: Simplify right side
    28,255,112,341.98x = 354,220,441,857,840,709,632
  5. Step 5: Solve for x
    x = 354,220,441,857,840,709,632/28,255,112,341.98
  6. Step 6: Final answer
    x = 12,536,507,997.94

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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.