Home / 709,279,212.80-1,062,127,228.80-465,622,918.40

Finding the Fourth Proportional to 709,279,212.80, 1,062,127,228.80 and 465,622,918.40

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Solution

The fourth proportional to 709,279,212.80, 1,062,127,228.80 and 465,622,918.40 is: 697,258,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,279,212.80 : 1,062,127,228.80 = 465,622,918.40 : x
  2. Step 2: Convert to fraction form
    709,279,212.80/1,062,127,228.80 = 465,622,918.40/x
  3. Step 3: Cross multiply
    709,279,212.80x = 1,062,127,228.80 × 465,622,918.40
  4. Step 4: Simplify right side
    709,279,212.80x = 494,550,779,985,960,512
  5. Step 5: Solve for x
    x = 494,550,779,985,960,512/709,279,212.80
  6. Step 6: Final answer
    x = 697,258,246.20

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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.