Home / 539,016,720.90-808,525,081.35-470,992,272.90

Finding the Fourth Proportional to 539,016,720.90, 808,525,081.35 and 470,992,272.90

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Solution

The fourth proportional to 539,016,720.90, 808,525,081.35 and 470,992,272.90 is: 706,488,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,720.90 : 808,525,081.35 = 470,992,272.90 : x
  2. Step 2: Convert to fraction form
    539,016,720.90/808,525,081.35 = 470,992,272.90/x
  3. Step 3: Cross multiply
    539,016,720.90x = 808,525,081.35 × 470,992,272.90
  4. Step 4: Simplify right side
    539,016,720.90x = 380,809,065,761,693,888
  5. Step 5: Solve for x
    x = 380,809,065,761,693,888/539,016,720.90
  6. Step 6: Final answer
    x = 706,488,409.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.