Home / 856,537,449.69-1,182,408,987.32-539,463,681.32

Finding the Fourth Proportional to 856,537,449.69, 1,182,408,987.32 and 539,463,681.32

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Solution

The fourth proportional to 856,537,449.69, 1,182,408,987.32 and 539,463,681.32 is: 744,703,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,537,449.69 : 1,182,408,987.32 = 539,463,681.32 : x
  2. Step 2: Convert to fraction form
    856,537,449.69/1,182,408,987.32 = 539,463,681.32/x
  3. Step 3: Cross multiply
    856,537,449.69x = 1,182,408,987.32 × 539,463,681.32
  4. Step 4: Simplify right side
    856,537,449.69x = 637,866,705,116,891,136
  5. Step 5: Solve for x
    x = 637,866,705,116,891,136/856,537,449.69
  6. Step 6: Final answer
    x = 744,703,813.41

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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.