Home / 1,085,446,478.80-1,628,169,718.20-650,090,011.60

Finding the Fourth Proportional to 1,085,446,478.80, 1,628,169,718.20 and 650,090,011.60

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Solution

The fourth proportional to 1,085,446,478.80, 1,628,169,718.20 and 650,090,011.60 is: 975,135,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,446,478.80 : 1,628,169,718.20 = 650,090,011.60 : x
  2. Step 2: Convert to fraction form
    1,085,446,478.80/1,628,169,718.20 = 650,090,011.60/x
  3. Step 3: Cross multiply
    1,085,446,478.80x = 1,628,169,718.20 × 650,090,011.60
  4. Step 4: Simplify right side
    1,085,446,478.80x = 1,058,456,870,991,406,848
  5. Step 5: Solve for x
    x = 1,058,456,870,991,406,848/1,085,446,478.80
  6. Step 6: Final answer
    x = 975,135,017.40

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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.