Home / 646,813,811.60-970,220,717.40-493,758,803.60

Finding the Fourth Proportional to 646,813,811.60, 970,220,717.40 and 493,758,803.60

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Solution

The fourth proportional to 646,813,811.60, 970,220,717.40 and 493,758,803.60 is: 740,638,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,813,811.60 : 970,220,717.40 = 493,758,803.60 : x
  2. Step 2: Convert to fraction form
    646,813,811.60/970,220,717.40 = 493,758,803.60/x
  3. Step 3: Cross multiply
    646,813,811.60x = 970,220,717.40 × 493,758,803.60
  4. Step 4: Simplify right side
    646,813,811.60x = 479,055,020,651,357,696
  5. Step 5: Solve for x
    x = 479,055,020,651,357,696/646,813,811.60
  6. Step 6: Final answer
    x = 740,638,205.40

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Double scale
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Similar ratio
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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.