Home / 1,021,206,550,628.70-1,531,809,825,943-618,937,174,935.90

Finding the Fourth Proportional to 1,021,206,550,628.70, 1,531,809,825,943 and 618,937,174,935.90

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Solution

The fourth proportional to 1,021,206,550,628.70, 1,531,809,825,943 and 618,937,174,935.90 is: 928,405,762,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,206,550,628.70 : 1,531,809,825,943 = 618,937,174,935.90 : x
  2. Step 2: Convert to fraction form
    1,021,206,550,628.70/1,531,809,825,943 = 618,937,174,935.90/x
  3. Step 3: Cross multiply
    1,021,206,550,628.70x = 1,531,809,825,943 × 618,937,174,935.90
  4. Step 4: Simplify right side
    1,021,206,550,628.70x = 948,094,046,208,213,120,974,848
  5. Step 5: Solve for x
    x = 948,094,046,208,213,120,974,848/1,021,206,550,628.70
  6. Step 6: Final answer
    x = 928,405,762,403.82

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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.