Home / 886,756,018.40-1,330,134,027.60-864,081,202.40

Finding the Fourth Proportional to 886,756,018.40, 1,330,134,027.60 and 864,081,202.40

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Solution

The fourth proportional to 886,756,018.40, 1,330,134,027.60 and 864,081,202.40 is: 1,296,121,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,756,018.40 : 1,330,134,027.60 = 864,081,202.40 : x
  2. Step 2: Convert to fraction form
    886,756,018.40/1,330,134,027.60 = 864,081,202.40/x
  3. Step 3: Cross multiply
    886,756,018.40x = 1,330,134,027.60 × 864,081,202.40
  4. Step 4: Simplify right side
    886,756,018.40x = 1,149,343,809,921,762,688
  5. Step 5: Solve for x
    x = 1,149,343,809,921,762,688/886,756,018.40
  6. Step 6: Final answer
    x = 1,296,121,803.60

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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.