Home / 522,117,713.60-783,176,570.40-489,869,086.40

Finding the Fourth Proportional to 522,117,713.60, 783,176,570.40 and 489,869,086.40

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Solution

The fourth proportional to 522,117,713.60, 783,176,570.40 and 489,869,086.40 is: 734,803,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,117,713.60 : 783,176,570.40 = 489,869,086.40 : x
  2. Step 2: Convert to fraction form
    522,117,713.60/783,176,570.40 = 489,869,086.40/x
  3. Step 3: Cross multiply
    522,117,713.60x = 783,176,570.40 × 489,869,086.40
  4. Step 4: Simplify right side
    522,117,713.60x = 383,653,991,031,733,248
  5. Step 5: Solve for x
    x = 383,653,991,031,733,248/522,117,713.60
  6. Step 6: Final answer
    x = 734,803,629.60

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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.