Home / 1,013,952,774.89-1,399,938,089.79-633,055,309.04

Finding the Fourth Proportional to 1,013,952,774.89, 1,399,938,089.79 and 633,055,309.04

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Solution

The fourth proportional to 1,013,952,774.89, 1,399,938,089.79 and 633,055,309.04 is: 874,042,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,952,774.89 : 1,399,938,089.79 = 633,055,309.04 : x
  2. Step 2: Convert to fraction form
    1,013,952,774.89/1,399,938,089.79 = 633,055,309.04/x
  3. Step 3: Cross multiply
    1,013,952,774.89x = 1,399,938,089.79 × 633,055,309.04
  4. Step 4: Simplify right side
    1,013,952,774.89x = 886,238,240,074,717,824
  5. Step 5: Solve for x
    x = 886,238,240,074,717,824/1,013,952,774.89
  6. Step 6: Final answer
    x = 874,042,916.02

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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.