Home / 539,016,728.40-808,525,092.60-470,992,280.40

Finding the Fourth Proportional to 539,016,728.40, 808,525,092.60 and 470,992,280.40

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Solution

The fourth proportional to 539,016,728.40, 808,525,092.60 and 470,992,280.40 is: 706,488,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,728.40 : 808,525,092.60 = 470,992,280.40 : x
  2. Step 2: Convert to fraction form
    539,016,728.40/808,525,092.60 = 470,992,280.40/x
  3. Step 3: Cross multiply
    539,016,728.40x = 808,525,092.60 × 470,992,280.40
  4. Step 4: Simplify right side
    539,016,728.40x = 380,809,077,124,295,168
  5. Step 5: Solve for x
    x = 380,809,077,124,295,168/539,016,728.40
  6. Step 6: Final answer
    x = 706,488,420.60

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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.