Home / 29,285,314,842.12-40,372,881,892.24-19,641,768,124.80

Finding the Fourth Proportional to 29,285,314,842.12, 40,372,881,892.24 and 19,641,768,124.80

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Solution

The fourth proportional to 29,285,314,842.12, 40,372,881,892.24 and 19,641,768,124.80 is: 27,078,240,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285,314,842.12 : 40,372,881,892.24 = 19,641,768,124.80 : x
  2. Step 2: Convert to fraction form
    29,285,314,842.12/40,372,881,892.24 = 19,641,768,124.80/x
  3. Step 3: Cross multiply
    29,285,314,842.12x = 40,372,881,892.24 × 19,641,768,124.80
  4. Step 4: Simplify right side
    29,285,314,842.12x = 792,994,784,657,554,931,712
  5. Step 5: Solve for x
    x = 792,994,784,657,554,931,712/29,285,314,842.12
  6. Step 6: Final answer
    x = 27,078,240,030.29

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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.