Home / 2,586,828,009.90-3,880,242,014.85-746,640,720.30

Finding the Fourth Proportional to 2,586,828,009.90, 3,880,242,014.85 and 746,640,720.30

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Solution

The fourth proportional to 2,586,828,009.90, 3,880,242,014.85 and 746,640,720.30 is: 1,119,961,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,828,009.90 : 3,880,242,014.85 = 746,640,720.30 : x
  2. Step 2: Convert to fraction form
    2,586,828,009.90/3,880,242,014.85 = 746,640,720.30/x
  3. Step 3: Cross multiply
    2,586,828,009.90x = 3,880,242,014.85 × 746,640,720.30
  4. Step 4: Simplify right side
    2,586,828,009.90x = 2,897,146,692,905,927,168
  5. Step 5: Solve for x
    x = 2,897,146,692,905,927,168/2,586,828,009.90
  6. Step 6: Final answer
    x = 1,119,961,080.45

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Double scale
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Similar ratio
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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.