Home / 727,773,282.08-1,004,811,915.60-430,511,020.64

Finding the Fourth Proportional to 727,773,282.08, 1,004,811,915.60 and 430,511,020.64

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Solution

The fourth proportional to 727,773,282.08, 1,004,811,915.60 and 430,511,020.64 is: 594,391,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,773,282.08 : 1,004,811,915.60 = 430,511,020.64 : x
  2. Step 2: Convert to fraction form
    727,773,282.08/1,004,811,915.60 = 430,511,020.64/x
  3. Step 3: Cross multiply
    727,773,282.08x = 1,004,811,915.60 × 430,511,020.64
  4. Step 4: Simplify right side
    727,773,282.08x = 432,582,603,336,189,504
  5. Step 5: Solve for x
    x = 432,582,603,336,189,504/727,773,282.08
  6. Step 6: Final answer
    x = 594,391,981.66

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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.