Home / 461,763,223.20-692,644,834.80-420,108,746.40

Finding the Fourth Proportional to 461,763,223.20, 692,644,834.80 and 420,108,746.40

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Solution

The fourth proportional to 461,763,223.20, 692,644,834.80 and 420,108,746.40 is: 630,163,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,763,223.20 : 692,644,834.80 = 420,108,746.40 : x
  2. Step 2: Convert to fraction form
    461,763,223.20/692,644,834.80 = 420,108,746.40/x
  3. Step 3: Cross multiply
    461,763,223.20x = 692,644,834.80 × 420,108,746.40
  4. Step 4: Simplify right side
    461,763,223.20x = 290,986,153,248,263,040
  5. Step 5: Solve for x
    x = 290,986,153,248,263,040/461,763,223.20
  6. Step 6: Final answer
    x = 630,163,119.60

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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.