Home / 857,168,688.96-1,285,615,281.60-235,238,610.24

Finding the Fourth Proportional to 857,168,688.96, 1,285,615,281.60 and 235,238,610.24

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Solution

The fourth proportional to 857,168,688.96, 1,285,615,281.60 and 235,238,610.24 is: 352,820,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,168,688.96 : 1,285,615,281.60 = 235,238,610.24 : x
  2. Step 2: Convert to fraction form
    857,168,688.96/1,285,615,281.60 = 235,238,610.24/x
  3. Step 3: Cross multiply
    857,168,688.96x = 1,285,615,281.60 × 235,238,610.24
  4. Step 4: Simplify right side
    857,168,688.96x = 302,426,352,146,890,240
  5. Step 5: Solve for x
    x = 302,426,352,146,890,240/857,168,688.96
  6. Step 6: Final answer
    x = 352,820,111.19

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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.