Home / 539,016,709.40-808,525,064.10-470,992,261.40

Finding the Fourth Proportional to 539,016,709.40, 808,525,064.10 and 470,992,261.40

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Solution

The fourth proportional to 539,016,709.40, 808,525,064.10 and 470,992,261.40 is: 706,488,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,709.40 : 808,525,064.10 = 470,992,261.40 : x
  2. Step 2: Convert to fraction form
    539,016,709.40/808,525,064.10 = 470,992,261.40/x
  3. Step 3: Cross multiply
    539,016,709.40x = 808,525,064.10 × 470,992,261.40
  4. Step 4: Simplify right side
    539,016,709.40x = 380,809,048,339,038,976
  5. Step 5: Solve for x
    x = 380,809,048,339,038,976/539,016,709.40
  6. Step 6: Final answer
    x = 706,488,392.10

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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.