Home / 555,382,269.74-766,433,754.63-317,258,976.02

Finding the Fourth Proportional to 555,382,269.74, 766,433,754.63 and 317,258,976.02

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Solution

The fourth proportional to 555,382,269.74, 766,433,754.63 and 317,258,976.02 is: 437,820,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,382,269.74 : 766,433,754.63 = 317,258,976.02 : x
  2. Step 2: Convert to fraction form
    555,382,269.74/766,433,754.63 = 317,258,976.02/x
  3. Step 3: Cross multiply
    555,382,269.74x = 766,433,754.63 × 317,258,976.02
  4. Step 4: Simplify right side
    555,382,269.74x = 243,157,988,181,077,728
  5. Step 5: Solve for x
    x = 243,157,988,181,077,728/555,382,269.74
  6. Step 6: Final answer
    x = 437,820,941.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.