Home / 5,275,852,470.72-7,280,345,269.80-2,896,973,751.24

Finding the Fourth Proportional to 5,275,852,470.72, 7,280,345,269.80 and 2,896,973,751.24

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Solution

The fourth proportional to 5,275,852,470.72, 7,280,345,269.80 and 2,896,973,751.24 is: 3,997,641,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,852,470.72 : 7,280,345,269.80 = 2,896,973,751.24 : x
  2. Step 2: Convert to fraction form
    5,275,852,470.72/7,280,345,269.80 = 2,896,973,751.24/x
  3. Step 3: Cross multiply
    5,275,852,470.72x = 7,280,345,269.80 × 2,896,973,751.24
  4. Step 4: Simplify right side
    5,275,852,470.72x = 21,090,969,146,574,893,056
  5. Step 5: Solve for x
    x = 21,090,969,146,574,893,056/5,275,852,470.72
  6. Step 6: Final answer
    x = 3,997,641,947.65

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1.5x scale

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.