Home / 931,438,641.40-1,397,157,962.10-792,945,116.80

Finding the Fourth Proportional to 931,438,641.40, 1,397,157,962.10 and 792,945,116.80

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Solution

The fourth proportional to 931,438,641.40, 1,397,157,962.10 and 792,945,116.80 is: 1,189,417,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,438,641.40 : 1,397,157,962.10 = 792,945,116.80 : x
  2. Step 2: Convert to fraction form
    931,438,641.40/1,397,157,962.10 = 792,945,116.80/x
  3. Step 3: Cross multiply
    931,438,641.40x = 1,397,157,962.10 × 792,945,116.80
  4. Step 4: Simplify right side
    931,438,641.40x = 1,107,869,583,445,434,368
  5. Step 5: Solve for x
    x = 1,107,869,583,445,434,368/931,438,641.40
  6. Step 6: Final answer
    x = 1,189,417,675.20

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Double scale
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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.