Home / 472,393,349.80-708,590,024.70-432,216,410.20

Finding the Fourth Proportional to 472,393,349.80, 708,590,024.70 and 432,216,410.20

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Solution

The fourth proportional to 472,393,349.80, 708,590,024.70 and 432,216,410.20 is: 648,324,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,349.80 : 708,590,024.70 = 432,216,410.20 : x
  2. Step 2: Convert to fraction form
    472,393,349.80/708,590,024.70 = 432,216,410.20/x
  3. Step 3: Cross multiply
    472,393,349.80x = 708,590,024.70 × 432,216,410.20
  4. Step 4: Simplify right side
    472,393,349.80x = 306,264,236,779,363,328
  5. Step 5: Solve for x
    x = 306,264,236,779,363,328/472,393,349.80
  6. Step 6: Final answer
    x = 648,324,615.30

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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.