Home / 1,684,961,996.40-2,527,442,994.60-766,631,948.40

Finding the Fourth Proportional to 1,684,961,996.40, 2,527,442,994.60 and 766,631,948.40

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Solution

The fourth proportional to 1,684,961,996.40, 2,527,442,994.60 and 766,631,948.40 is: 1,149,947,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,961,996.40 : 2,527,442,994.60 = 766,631,948.40 : x
  2. Step 2: Convert to fraction form
    1,684,961,996.40/2,527,442,994.60 = 766,631,948.40/x
  3. Step 3: Cross multiply
    1,684,961,996.40x = 2,527,442,994.60 × 766,631,948.40
  4. Step 4: Simplify right side
    1,684,961,996.40x = 1,937,618,547,420,128,512
  5. Step 5: Solve for x
    x = 1,937,618,547,420,128,512/1,684,961,996.40
  6. Step 6: Final answer
    x = 1,149,947,922.60

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Double scale
Find fourth proportional to 1,684,961,997.40, 2,527,442,996.10 and 766,631,949.40
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.