Home / 472,393,045.20-708,589,567.80-429,310,894.80

Finding the Fourth Proportional to 472,393,045.20, 708,589,567.80 and 429,310,894.80

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Solution

The fourth proportional to 472,393,045.20, 708,589,567.80 and 429,310,894.80 is: 643,966,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,045.20 : 708,589,567.80 = 429,310,894.80 : x
  2. Step 2: Convert to fraction form
    472,393,045.20/708,589,567.80 = 429,310,894.80/x
  3. Step 3: Cross multiply
    472,393,045.20x = 708,589,567.80 × 429,310,894.80
  4. Step 4: Simplify right side
    472,393,045.20x = 304,205,221,398,163,264
  5. Step 5: Solve for x
    x = 304,205,221,398,163,264/472,393,045.20
  6. Step 6: Final answer
    x = 643,966,342.20

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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.