Home / 539,016,640.40-808,524,960.60-470,992,192.40

Finding the Fourth Proportional to 539,016,640.40, 808,524,960.60 and 470,992,192.40

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Solution

The fourth proportional to 539,016,640.40, 808,524,960.60 and 470,992,192.40 is: 706,488,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,640.40 : 808,524,960.60 = 470,992,192.40 : x
  2. Step 2: Convert to fraction form
    539,016,640.40/808,524,960.60 = 470,992,192.40/x
  3. Step 3: Cross multiply
    539,016,640.40x = 808,524,960.60 × 470,992,192.40
  4. Step 4: Simplify right side
    539,016,640.40x = 380,808,943,803,117,632
  5. Step 5: Solve for x
    x = 380,808,943,803,117,632/539,016,640.40
  6. Step 6: Final answer
    x = 706,488,288.60

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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.