Home / 31,470,635,828.68-43,433,907,157.86-20,035,551,925.36

Finding the Fourth Proportional to 31,470,635,828.68, 43,433,907,157.86 and 20,035,551,925.36

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Solution

The fourth proportional to 31,470,635,828.68, 43,433,907,157.86 and 20,035,551,925.36 is: 27,651,881,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470,635,828.68 : 43,433,907,157.86 = 20,035,551,925.36 : x
  2. Step 2: Convert to fraction form
    31,470,635,828.68/43,433,907,157.86 = 20,035,551,925.36/x
  3. Step 3: Cross multiply
    31,470,635,828.68x = 43,433,907,157.86 × 20,035,551,925.36
  4. Step 4: Simplify right side
    31,470,635,828.68x = 870,222,302,182,569,410,560
  5. Step 5: Solve for x
    x = 870,222,302,182,569,410,560/31,470,635,828.68
  6. Step 6: Final answer
    x = 27,651,881,802.45

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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.