Home / 4,458,868,015.20-6,688,302,022.80-2,989,539,938.40

Finding the Fourth Proportional to 4,458,868,015.20, 6,688,302,022.80 and 2,989,539,938.40

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Solution

The fourth proportional to 4,458,868,015.20, 6,688,302,022.80 and 2,989,539,938.40 is: 4,484,309,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458,868,015.20 : 6,688,302,022.80 = 2,989,539,938.40 : x
  2. Step 2: Convert to fraction form
    4,458,868,015.20/6,688,302,022.80 = 2,989,539,938.40/x
  3. Step 3: Cross multiply
    4,458,868,015.20x = 6,688,302,022.80 × 2,989,539,938.40
  4. Step 4: Simplify right side
    4,458,868,015.20x = 19,994,946,017,242,107,904
  5. Step 5: Solve for x
    x = 19,994,946,017,242,107,904/4,458,868,015.20
  6. Step 6: Final answer
    x = 4,484,309,907.60

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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.