Home / 840,120,292.66-1,159,335,612.54-463,768,797.01

Finding the Fourth Proportional to 840,120,292.66, 1,159,335,612.54 and 463,768,797.01

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Solution

The fourth proportional to 840,120,292.66, 1,159,335,612.54 and 463,768,797.01 is: 639,984,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,120,292.66 : 1,159,335,612.54 = 463,768,797.01 : x
  2. Step 2: Convert to fraction form
    840,120,292.66/1,159,335,612.54 = 463,768,797.01/x
  3. Step 3: Cross multiply
    840,120,292.66x = 1,159,335,612.54 × 463,768,797.01
  4. Step 4: Simplify right side
    840,120,292.66x = 537,663,682,358,527,232
  5. Step 5: Solve for x
    x = 537,663,682,358,527,232/840,120,292.66
  6. Step 6: Final answer
    x = 639,984,163.05

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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.