Home / 643,368,075.16-887,851,803.90-350,014,742.68

Finding the Fourth Proportional to 643,368,075.16, 887,851,803.90 and 350,014,742.68

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Solution

The fourth proportional to 643,368,075.16, 887,851,803.90 and 350,014,742.68 is: 483,022,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,368,075.16 : 887,851,803.90 = 350,014,742.68 : x
  2. Step 2: Convert to fraction form
    643,368,075.16/887,851,803.90 = 350,014,742.68/x
  3. Step 3: Cross multiply
    643,368,075.16x = 887,851,803.90 × 350,014,742.68
  4. Step 4: Simplify right side
    643,368,075.16x = 310,761,220,680,032,320
  5. Step 5: Solve for x
    x = 310,761,220,680,032,320/643,368,075.16
  6. Step 6: Final answer
    x = 483,022,444.97

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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.