Home / 742,583,831.63-1,024,773,843.95-408,056,440.64

Finding the Fourth Proportional to 742,583,831.63, 1,024,773,843.95 and 408,056,440.64

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Solution

The fourth proportional to 742,583,831.63, 1,024,773,843.95 and 408,056,440.64 is: 563,122,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,583,831.63 : 1,024,773,843.95 = 408,056,440.64 : x
  2. Step 2: Convert to fraction form
    742,583,831.63/1,024,773,843.95 = 408,056,440.64/x
  3. Step 3: Cross multiply
    742,583,831.63x = 1,024,773,843.95 × 408,056,440.64
  4. Step 4: Simplify right side
    742,583,831.63x = 418,165,567,216,043,648
  5. Step 5: Solve for x
    x = 418,165,567,216,043,648/742,583,831.63
  6. Step 6: Final answer
    x = 563,122,370.04

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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.