Home / 831,852,597.96-1,147,992,448.68-460,574,618.40

Finding the Fourth Proportional to 831,852,597.96, 1,147,992,448.68 and 460,574,618.40

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Solution

The fourth proportional to 831,852,597.96, 1,147,992,448.68 and 460,574,618.40 is: 635,612,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,852,597.96 : 1,147,992,448.68 = 460,574,618.40 : x
  2. Step 2: Convert to fraction form
    831,852,597.96/1,147,992,448.68 = 460,574,618.40/x
  3. Step 3: Cross multiply
    831,852,597.96x = 1,147,992,448.68 × 460,574,618.40
  4. Step 4: Simplify right side
    831,852,597.96x = 528,736,183,976,872,576
  5. Step 5: Solve for x
    x = 528,736,183,976,872,576/831,852,597.96
  6. Step 6: Final answer
    x = 635,612,830.05

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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.