Home / 818,895,637.98-1,130,075,896.95-447,619,152.06

Finding the Fourth Proportional to 818,895,637.98, 1,130,075,896.95 and 447,619,152.06

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Solution

The fourth proportional to 818,895,637.98, 1,130,075,896.95 and 447,619,152.06 is: 617,714,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,895,637.98 : 1,130,075,896.95 = 447,619,152.06 : x
  2. Step 2: Convert to fraction form
    818,895,637.98/1,130,075,896.95 = 447,619,152.06/x
  3. Step 3: Cross multiply
    818,895,637.98x = 1,130,075,896.95 × 447,619,152.06
  4. Step 4: Simplify right side
    818,895,637.98x = 505,843,614,756,202,944
  5. Step 5: Solve for x
    x = 505,843,614,756,202,944/818,895,637.98
  6. Step 6: Final answer
    x = 617,714,384.22

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Double scale
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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.