Home / 901,968,448.50-1,244,695,288.77-530,714,525.94

Finding the Fourth Proportional to 901,968,448.50, 1,244,695,288.77 and 530,714,525.94

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Solution

The fourth proportional to 901,968,448.50, 1,244,695,288.77 and 530,714,525.94 is: 732,373,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,968,448.50 : 1,244,695,288.77 = 530,714,525.94 : x
  2. Step 2: Convert to fraction form
    901,968,448.50/1,244,695,288.77 = 530,714,525.94/x
  3. Step 3: Cross multiply
    901,968,448.50x = 1,244,695,288.77 × 530,714,525.94
  4. Step 4: Simplify right side
    901,968,448.50x = 660,577,870,119,321,984
  5. Step 5: Solve for x
    x = 660,577,870,119,321,984/901,968,448.50
  6. Step 6: Final answer
    x = 732,373,589.36

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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.