Home / 869,047,673.26-1,199,249,282.82-492,729,577.24

Finding the Fourth Proportional to 869,047,673.26, 1,199,249,282.82 and 492,729,577.24

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Solution

The fourth proportional to 869,047,673.26, 1,199,249,282.82 and 492,729,577.24 is: 679,946,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,047,673.26 : 1,199,249,282.82 = 492,729,577.24 : x
  2. Step 2: Convert to fraction form
    869,047,673.26/1,199,249,282.82 = 492,729,577.24/x
  3. Step 3: Cross multiply
    869,047,673.26x = 1,199,249,282.82 × 492,729,577.24
  4. Step 4: Simplify right side
    869,047,673.26x = 590,905,592,129,271,808
  5. Step 5: Solve for x
    x = 590,905,592,129,271,808/869,047,673.26
  6. Step 6: Final answer
    x = 679,946,118.39

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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.