Home / 38,458,446,677.19-53,072,968,030.77-21,311,586,374.05

Finding the Fourth Proportional to 38,458,446,677.19, 53,072,968,030.77 and 21,311,586,374.05

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Solution

The fourth proportional to 38,458,446,677.19, 53,072,968,030.77 and 21,311,586,374.05 is: 29,410,161,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458,446,677.19 : 53,072,968,030.77 = 21,311,586,374.05 : x
  2. Step 2: Convert to fraction form
    38,458,446,677.19/53,072,968,030.77 = 21,311,586,374.05/x
  3. Step 3: Cross multiply
    38,458,446,677.19x = 53,072,968,030.77 × 21,311,586,374.05
  4. Step 4: Simplify right side
    38,458,446,677.19x = 1,131,069,142,315,140,513,792
  5. Step 5: Solve for x
    x = 1,131,069,142,315,140,513,792/38,458,446,677.19
  6. Step 6: Final answer
    x = 29,410,161,877.03

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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.