Home / 472,118,636.90-708,177,955.35-268,045,292.90

Finding the Fourth Proportional to 472,118,636.90, 708,177,955.35 and 268,045,292.90

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Solution

The fourth proportional to 472,118,636.90, 708,177,955.35 and 268,045,292.90 is: 402,067,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,118,636.90 : 708,177,955.35 = 268,045,292.90 : x
  2. Step 2: Convert to fraction form
    472,118,636.90/708,177,955.35 = 268,045,292.90/x
  3. Step 3: Cross multiply
    472,118,636.90x = 708,177,955.35 × 268,045,292.90
  4. Step 4: Simplify right side
    472,118,636.90x = 189,823,767,467,113,888
  5. Step 5: Solve for x
    x = 189,823,767,467,113,888/472,118,636.90
  6. Step 6: Final answer
    x = 402,067,939.35

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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.