Home / 990,109,089,788.04-1,485,161,780,838.70-310,239,492,993.18

Finding the Fourth Proportional to 990,109,089,788.04, 1,485,161,780,838.70 and 310,239,492,993.18

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Solution

The fourth proportional to 990,109,089,788.04, 1,485,161,780,838.70 and 310,239,492,993.18 is: 465,358,658,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,109,089,788.04 : 1,485,161,780,838.70 = 310,239,492,993.18 : x
  2. Step 2: Convert to fraction form
    990,109,089,788.04/1,485,161,780,838.70 = 310,239,492,993.18/x
  3. Step 3: Cross multiply
    990,109,089,788.04x = 1,485,161,780,838.70 × 310,239,492,993.18
  4. Step 4: Simplify right side
    990,109,089,788.04x = 460,755,837,900,246,545,858,560
  5. Step 5: Solve for x
    x = 460,755,837,900,246,545,858,560/990,109,089,788.04
  6. Step 6: Final answer
    x = 465,358,658,608.91

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Double scale
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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.