Home / 919,069,440.55-1,268,142,365.61-547,826,015.59

Finding the Fourth Proportional to 919,069,440.55, 1,268,142,365.61 and 547,826,015.59

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Solution

The fourth proportional to 919,069,440.55, 1,268,142,365.61 and 547,826,015.59 is: 755,896,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,069,440.55 : 1,268,142,365.61 = 547,826,015.59 : x
  2. Step 2: Convert to fraction form
    919,069,440.55/1,268,142,365.61 = 547,826,015.59/x
  3. Step 3: Cross multiply
    919,069,440.55x = 1,268,142,365.61 × 547,826,015.59
  4. Step 4: Simplify right side
    919,069,440.55x = 694,721,379,349,832,960
  5. Step 5: Solve for x
    x = 694,721,379,349,832,960/919,069,440.55
  6. Step 6: Final answer
    x = 755,896,506.51

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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.