Home / 472,393,960.60-708,590,940.90-434,980,514.20

Finding the Fourth Proportional to 472,393,960.60, 708,590,940.90 and 434,980,514.20

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Solution

The fourth proportional to 472,393,960.60, 708,590,940.90 and 434,980,514.20 is: 652,470,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,960.60 : 708,590,940.90 = 434,980,514.20 : x
  2. Step 2: Convert to fraction form
    472,393,960.60/708,590,940.90 = 434,980,514.20/x
  3. Step 3: Cross multiply
    472,393,960.60x = 708,590,940.90 × 434,980,514.20
  4. Step 4: Simplify right side
    472,393,960.60x = 308,223,251,830,143,808
  5. Step 5: Solve for x
    x = 308,223,251,830,143,808/472,393,960.60
  6. Step 6: Final answer
    x = 652,470,771.30

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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.