Home / 889,795,965.40-1,334,693,948.10-526,103,114.20

Finding the Fourth Proportional to 889,795,965.40, 1,334,693,948.10 and 526,103,114.20

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Solution

The fourth proportional to 889,795,965.40, 1,334,693,948.10 and 526,103,114.20 is: 789,154,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,795,965.40 : 1,334,693,948.10 = 526,103,114.20 : x
  2. Step 2: Convert to fraction form
    889,795,965.40/1,334,693,948.10 = 526,103,114.20/x
  3. Step 3: Cross multiply
    889,795,965.40x = 1,334,693,948.10 × 526,103,114.20
  4. Step 4: Simplify right side
    889,795,965.40x = 702,186,642,599,303,168
  5. Step 5: Solve for x
    x = 702,186,642,599,303,168/889,795,965.40
  6. Step 6: Final answer
    x = 789,154,671.30

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Double scale
Find fourth proportional to 889,795,966.40, 1,334,693,949.60 and 526,103,115.20
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.