Home / 472,364,531.16-708,466,041.77-127,237,445.61

Finding the Fourth Proportional to 472,364,531.16, 708,466,041.77 and 127,237,445.61

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Solution

The fourth proportional to 472,364,531.16, 708,466,041.77 and 127,237,445.61 is: 190,834,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,364,531.16 : 708,466,041.77 = 127,237,445.61 : x
  2. Step 2: Convert to fraction form
    472,364,531.16/708,466,041.77 = 127,237,445.61/x
  3. Step 3: Cross multiply
    472,364,531.16x = 708,466,041.77 × 127,237,445.61
  4. Step 4: Simplify right side
    472,364,531.16x = 90,143,409,455,606,176
  5. Step 5: Solve for x
    x = 90,143,409,455,606,176/472,364,531.16
  6. Step 6: Final answer
    x = 190,834,416.03

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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.