Home / 38,247,967,271.18-57,355,288,627.62-20,316,421,740.26

Finding the Fourth Proportional to 38,247,967,271.18, 57,355,288,627.62 and 20,316,421,740.26

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Solution

The fourth proportional to 38,247,967,271.18, 57,355,288,627.62 and 20,316,421,740.26 is: 30,465,781,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,967,271.18 : 57,355,288,627.62 = 20,316,421,740.26 : x
  2. Step 2: Convert to fraction form
    38,247,967,271.18/57,355,288,627.62 = 20,316,421,740.26/x
  3. Step 3: Cross multiply
    38,247,967,271.18x = 57,355,288,627.62 × 20,316,421,740.26
  4. Step 4: Simplify right side
    38,247,967,271.18x = 1,165,254,232,793,066,110,976
  5. Step 5: Solve for x
    x = 1,165,254,232,793,066,110,976/38,247,967,271.18
  6. Step 6: Final answer
    x = 30,465,781,999.12

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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.