Home / 1,141,555,133.92-1,575,319,288.08-671,686,886.56

Finding the Fourth Proportional to 1,141,555,133.92, 1,575,319,288.08 and 671,686,886.56

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Solution

The fourth proportional to 1,141,555,133.92, 1,575,319,288.08 and 671,686,886.56 is: 926,912,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,555,133.92 : 1,575,319,288.08 = 671,686,886.56 : x
  2. Step 2: Convert to fraction form
    1,141,555,133.92/1,575,319,288.08 = 671,686,886.56/x
  3. Step 3: Cross multiply
    1,141,555,133.92x = 1,575,319,288.08 × 671,686,886.56
  4. Step 4: Simplify right side
    1,141,555,133.92x = 1,058,121,307,948,370,816
  5. Step 5: Solve for x
    x = 1,058,121,307,948,370,816/1,141,555,133.92
  6. Step 6: Final answer
    x = 926,912,136.35

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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.