Home / 1,487,633,291.55-2,052,872,295.06-809,453,042.70

Finding the Fourth Proportional to 1,487,633,291.55, 2,052,872,295.06 and 809,453,042.70

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Solution

The fourth proportional to 1,487,633,291.55, 2,052,872,295.06 and 809,453,042.70 is: 1,117,011,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,633,291.55 : 2,052,872,295.06 = 809,453,042.70 : x
  2. Step 2: Convert to fraction form
    1,487,633,291.55/2,052,872,295.06 = 809,453,042.70/x
  3. Step 3: Cross multiply
    1,487,633,291.55x = 2,052,872,295.06 × 809,453,042.70
  4. Step 4: Simplify right side
    1,487,633,291.55x = 1,661,703,725,510,849,280
  5. Step 5: Solve for x
    x = 1,661,703,725,510,849,280/1,487,633,291.55
  6. Step 6: Final answer
    x = 1,117,011,655.33

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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.