Home / 889,788,904.40-1,334,683,356.60-526,096,053.20

Finding the Fourth Proportional to 889,788,904.40, 1,334,683,356.60 and 526,096,053.20

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Solution

The fourth proportional to 889,788,904.40, 1,334,683,356.60 and 526,096,053.20 is: 789,144,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,788,904.40 : 1,334,683,356.60 = 526,096,053.20 : x
  2. Step 2: Convert to fraction form
    889,788,904.40/1,334,683,356.60 = 526,096,053.20/x
  3. Step 3: Cross multiply
    889,788,904.40x = 1,334,683,356.60 × 526,096,053.20
  4. Step 4: Simplify right side
    889,788,904.40x = 702,171,646,178,988,160
  5. Step 5: Solve for x
    x = 702,171,646,178,988,160/889,788,904.40
  6. Step 6: Final answer
    x = 789,144,079.80

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Double scale
Find fourth proportional to 889,788,905.40, 1,334,683,358.10 and 526,096,054.20
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.