Home / 12,960,288,520.20-19,440,291,062.16-3,145,636,132.20

Finding the Fourth Proportional to 12,960,288,520.20, 19,440,291,062.16 and 3,145,636,132.20

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Solution

The fourth proportional to 12,960,288,520.20, 19,440,291,062.16 and 3,145,636,132.20 is: 4,718,419,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,288,520.20 : 19,440,291,062.16 = 3,145,636,132.20 : x
  2. Step 2: Convert to fraction form
    12,960,288,520.20/19,440,291,062.16 = 3,145,636,132.20/x
  3. Step 3: Cross multiply
    12,960,288,520.20x = 19,440,291,062.16 × 3,145,636,132.20
  4. Step 4: Simplify right side
    12,960,288,520.20x = 61,152,081,985,615,208,448
  5. Step 5: Solve for x
    x = 61,152,081,985,615,208,448/12,960,288,520.20
  6. Step 6: Final answer
    x = 4,718,419,801.40

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1.5x scale

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.