Home / 919,069,455.48-1,268,142,386.20-547,826,030.52

Finding the Fourth Proportional to 919,069,455.48, 1,268,142,386.20 and 547,826,030.52

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Solution

The fourth proportional to 919,069,455.48, 1,268,142,386.20 and 547,826,030.52 is: 755,896,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,069,455.48 : 1,268,142,386.20 = 547,826,030.52 : x
  2. Step 2: Convert to fraction form
    919,069,455.48/1,268,142,386.20 = 547,826,030.52/x
  3. Step 3: Cross multiply
    919,069,455.48x = 1,268,142,386.20 × 547,826,030.52
  4. Step 4: Simplify right side
    919,069,455.48x = 694,721,409,566,106,880
  5. Step 5: Solve for x
    x = 694,721,409,566,106,880/919,069,455.48
  6. Step 6: Final answer
    x = 755,896,527.11

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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.