Home / 265,708,881.90-366,352,490.25-218,500,980.30

Finding the Fourth Proportional to 265,708,881.90, 366,352,490.25 and 218,500,980.30

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Solution

The fourth proportional to 265,708,881.90, 366,352,490.25 and 218,500,980.30 is: 301,263,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,708,881.90 : 366,352,490.25 = 218,500,980.30 : x
  2. Step 2: Convert to fraction form
    265,708,881.90/366,352,490.25 = 218,500,980.30/x
  3. Step 3: Cross multiply
    265,708,881.90x = 366,352,490.25 × 218,500,980.30
  4. Step 4: Simplify right side
    265,708,881.90x = 80,048,378,254,971,200
  5. Step 5: Solve for x
    x = 80,048,378,254,971,200/265,708,881.90
  6. Step 6: Final answer
    x = 301,263,464.29

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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.