Home / 1,513,362,130.65-2,270,043,195.98-1,272,300,493.05

Finding the Fourth Proportional to 1,513,362,130.65, 2,270,043,195.98 and 1,272,300,493.05

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Solution

The fourth proportional to 1,513,362,130.65, 2,270,043,195.98 and 1,272,300,493.05 is: 1,908,450,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,362,130.65 : 2,270,043,195.98 = 1,272,300,493.05 : x
  2. Step 2: Convert to fraction form
    1,513,362,130.65/2,270,043,195.98 = 1,272,300,493.05/x
  3. Step 3: Cross multiply
    1,513,362,130.65x = 2,270,043,195.98 × 1,272,300,493.05
  4. Step 4: Simplify right side
    1,513,362,130.65x = 2,888,177,077,483,789,824
  5. Step 5: Solve for x
    x = 2,888,177,077,483,789,824/1,513,362,130.65
  6. Step 6: Final answer
    x = 1,908,450,739.58

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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.