Home / 709,279,237.80-1,062,127,266.30-465,622,943.40

Finding the Fourth Proportional to 709,279,237.80, 1,062,127,266.30 and 465,622,943.40

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Solution

The fourth proportional to 709,279,237.80, 1,062,127,266.30 and 465,622,943.40 is: 697,258,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,279,237.80 : 1,062,127,266.30 = 465,622,943.40 : x
  2. Step 2: Convert to fraction form
    709,279,237.80/1,062,127,266.30 = 465,622,943.40/x
  3. Step 3: Cross multiply
    709,279,237.80x = 1,062,127,266.30 × 465,622,943.40
  4. Step 4: Simplify right side
    709,279,237.80x = 494,550,824,000,001,600
  5. Step 5: Solve for x
    x = 494,550,824,000,001,600/709,279,237.80
  6. Step 6: Final answer
    x = 697,258,283.68

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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.