Home / 831,868,220.74-1,148,014,016.75-460,590,284.92

Finding the Fourth Proportional to 831,868,220.74, 1,148,014,016.75 and 460,590,284.92

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Solution

The fourth proportional to 831,868,220.74, 1,148,014,016.75 and 460,590,284.92 is: 635,634,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,868,220.74 : 1,148,014,016.75 = 460,590,284.92 : x
  2. Step 2: Convert to fraction form
    831,868,220.74/1,148,014,016.75 = 460,590,284.92/x
  3. Step 3: Cross multiply
    831,868,220.74x = 1,148,014,016.75 × 460,590,284.92
  4. Step 4: Simplify right side
    831,868,220.74x = 528,764,103,067,036,160
  5. Step 5: Solve for x
    x = 528,764,103,067,036,160/831,868,220.74
  6. Step 6: Final answer
    x = 635,634,454.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.