Home / 1,076,932,631.70-1,615,398,947.55-560,371,979.70

Finding the Fourth Proportional to 1,076,932,631.70, 1,615,398,947.55 and 560,371,979.70

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Solution

The fourth proportional to 1,076,932,631.70, 1,615,398,947.55 and 560,371,979.70 is: 840,557,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,932,631.70 : 1,615,398,947.55 = 560,371,979.70 : x
  2. Step 2: Convert to fraction form
    1,076,932,631.70/1,615,398,947.55 = 560,371,979.70/x
  3. Step 3: Cross multiply
    1,076,932,631.70x = 1,615,398,947.55 × 560,371,979.70
  4. Step 4: Simplify right side
    1,076,932,631.70x = 905,224,306,243,890,048
  5. Step 5: Solve for x
    x = 905,224,306,243,890,048/1,076,932,631.70
  6. Step 6: Final answer
    x = 840,557,969.55

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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.