Home / 7,243,392,075.40-10,865,088,113.10-3,937,403,902.60

Finding the Fourth Proportional to 7,243,392,075.40, 10,865,088,113.10 and 3,937,403,902.60

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Solution

The fourth proportional to 7,243,392,075.40, 10,865,088,113.10 and 3,937,403,902.60 is: 5,906,105,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,392,075.40 : 10,865,088,113.10 = 3,937,403,902.60 : x
  2. Step 2: Convert to fraction form
    7,243,392,075.40/10,865,088,113.10 = 3,937,403,902.60/x
  3. Step 3: Cross multiply
    7,243,392,075.40x = 10,865,088,113.10 × 3,937,403,902.60
  4. Step 4: Simplify right side
    7,243,392,075.40x = 42,780,240,338,612,813,824
  5. Step 5: Solve for x
    x = 42,780,240,338,612,813,824/7,243,392,075.40
  6. Step 6: Final answer
    x = 5,906,105,853.90

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Double scale
Find fourth proportional to 7,243,392,076.40, 10,865,088,114.60 and 3,937,403,903.60
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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.