Home / 1,008,608,741.84-1,392,096,476.04-637,094,478.80

Finding the Fourth Proportional to 1,008,608,741.84, 1,392,096,476.04 and 637,094,478.80

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Solution

The fourth proportional to 1,008,608,741.84, 1,392,096,476.04 and 637,094,478.80 is: 879,327,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,608,741.84 : 1,392,096,476.04 = 637,094,478.80 : x
  2. Step 2: Convert to fraction form
    1,008,608,741.84/1,392,096,476.04 = 637,094,478.80/x
  3. Step 3: Cross multiply
    1,008,608,741.84x = 1,392,096,476.04 × 637,094,478.80
  4. Step 4: Simplify right side
    1,008,608,741.84x = 886,896,978,842,020,352
  5. Step 5: Solve for x
    x = 886,896,978,842,020,352/1,008,608,741.84
  6. Step 6: Final answer
    x = 879,327,079.03

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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.