Home / 1,626,393,686.40-2,244,417,206.40-921,679,948.80

Finding the Fourth Proportional to 1,626,393,686.40, 2,244,417,206.40 and 921,679,948.80

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Solution

The fourth proportional to 1,626,393,686.40, 2,244,417,206.40 and 921,679,948.80 is: 1,271,914,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,393,686.40 : 2,244,417,206.40 = 921,679,948.80 : x
  2. Step 2: Convert to fraction form
    1,626,393,686.40/2,244,417,206.40 = 921,679,948.80/x
  3. Step 3: Cross multiply
    1,626,393,686.40x = 2,244,417,206.40 × 921,679,948.80
  4. Step 4: Simplify right side
    1,626,393,686.40x = 2,068,634,335,880,591,104
  5. Step 5: Solve for x
    x = 2,068,634,335,880,591,104/1,626,393,686.40
  6. Step 6: Final answer
    x = 1,271,914,883.33

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Double scale
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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.