Home / 1,660,766,344.80-2,291,817,210.48-918,191,315.04

Finding the Fourth Proportional to 1,660,766,344.80, 2,291,817,210.48 and 918,191,315.04

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Solution

The fourth proportional to 1,660,766,344.80, 2,291,817,210.48 and 918,191,315.04 is: 1,267,081,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,766,344.80 : 2,291,817,210.48 = 918,191,315.04 : x
  2. Step 2: Convert to fraction form
    1,660,766,344.80/2,291,817,210.48 = 918,191,315.04/x
  3. Step 3: Cross multiply
    1,660,766,344.80x = 2,291,817,210.48 × 918,191,315.04
  4. Step 4: Simplify right side
    1,660,766,344.80x = 2,104,326,658,321,935,616
  5. Step 5: Solve for x
    x = 2,104,326,658,321,935,616/1,660,766,344.80
  6. Step 6: Final answer
    x = 1,267,081,708.94

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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.