Home / 885,915,954.63-1,222,526,792.03-509,544,124.02

Finding the Fourth Proportional to 885,915,954.63, 1,222,526,792.03 and 509,544,124.02

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Solution

The fourth proportional to 885,915,954.63, 1,222,526,792.03 and 509,544,124.02 is: 703,149,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,915,954.63 : 1,222,526,792.03 = 509,544,124.02 : x
  2. Step 2: Convert to fraction form
    885,915,954.63/1,222,526,792.03 = 509,544,124.02/x
  3. Step 3: Cross multiply
    885,915,954.63x = 1,222,526,792.03 × 509,544,124.02
  4. Step 4: Simplify right side
    885,915,954.63x = 622,931,343,333,359,360
  5. Step 5: Solve for x
    x = 622,931,343,333,359,360/885,915,954.63
  6. Step 6: Final answer
    x = 703,149,480.58

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Double scale
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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.