Home / 472,393,075.30-708,589,612.95-435,085,917.10

Finding the Fourth Proportional to 472,393,075.30, 708,589,612.95 and 435,085,917.10

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Solution

The fourth proportional to 472,393,075.30, 708,589,612.95 and 435,085,917.10 is: 652,628,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,075.30 : 708,589,612.95 = 435,085,917.10 : x
  2. Step 2: Convert to fraction form
    472,393,075.30/708,589,612.95 = 435,085,917.10/x
  3. Step 3: Cross multiply
    472,393,075.30x = 708,589,612.95 × 435,085,917.10
  4. Step 4: Simplify right side
    472,393,075.30x = 308,297,361,597,884,800
  5. Step 5: Solve for x
    x = 308,297,361,597,884,800/472,393,075.30
  6. Step 6: Final answer
    x = 652,628,875.65

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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.