Home / 53,742,876,627.90-80,555,192,458.65-18,828,362,912.70

Finding the Fourth Proportional to 53,742,876,627.90, 80,555,192,458.65 and 18,828,362,912.70

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Solution

The fourth proportional to 53,742,876,627.90, 80,555,192,458.65 and 18,828,362,912.70 is: 28,221,831,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742,876,627.90 : 80,555,192,458.65 = 18,828,362,912.70 : x
  2. Step 2: Convert to fraction form
    53,742,876,627.90/80,555,192,458.65 = 18,828,362,912.70/x
  3. Step 3: Cross multiply
    53,742,876,627.90x = 80,555,192,458.65 × 18,828,362,912.70
  4. Step 4: Simplify right side
    53,742,876,627.90x = 1,516,722,398,113,856,225,280
  5. Step 5: Solve for x
    x = 1,516,722,398,113,856,225,280/53,742,876,627.90
  6. Step 6: Final answer
    x = 28,221,831,306.41

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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.