Home / 1,487,633,296.80-2,052,872,302.31-809,453,047.95

Finding the Fourth Proportional to 1,487,633,296.80, 2,052,872,302.31 and 809,453,047.95

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Solution

The fourth proportional to 1,487,633,296.80, 2,052,872,302.31 and 809,453,047.95 is: 1,117,011,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,633,296.80 : 2,052,872,302.31 = 809,453,047.95 : x
  2. Step 2: Convert to fraction form
    1,487,633,296.80/2,052,872,302.31 = 809,453,047.95/x
  3. Step 3: Cross multiply
    1,487,633,296.80x = 2,052,872,302.31 × 809,453,047.95
  4. Step 4: Simplify right side
    1,487,633,296.80x = 1,661,703,742,152,916,224
  5. Step 5: Solve for x
    x = 1,661,703,742,152,916,224/1,487,633,296.80
  6. Step 6: Final answer
    x = 1,117,011,662.57

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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.