Home / 842,831,516,483.72-1,163,108,353,551-457,455,941,785.68

Finding the Fourth Proportional to 842,831,516,483.72, 1,163,108,353,551 and 457,455,941,785.68

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Solution

The fourth proportional to 842,831,516,483.72, 1,163,108,353,551 and 457,455,941,785.68 is: 631,289,666,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,831,516,483.72 : 1,163,108,353,551 = 457,455,941,785.68 : x
  2. Step 2: Convert to fraction form
    842,831,516,483.72/1,163,108,353,551 = 457,455,941,785.68/x
  3. Step 3: Cross multiply
    842,831,516,483.72x = 1,163,108,353,551 × 457,455,941,785.68
  4. Step 4: Simplify right side
    842,831,516,483.72x = 532,070,827,272,464,351,887,360
  5. Step 5: Solve for x
    x = 532,070,827,272,464,351,887,360/842,831,516,483.72
  6. Step 6: Final answer
    x = 631,289,666,874.65

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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.