Home / 783,099,450.84-1,080,655,676.87-430,675,569.73

Finding the Fourth Proportional to 783,099,450.84, 1,080,655,676.87 and 430,675,569.73

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Solution

The fourth proportional to 783,099,450.84, 1,080,655,676.87 and 430,675,569.73 is: 594,320,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,099,450.84 : 1,080,655,676.87 = 430,675,569.73 : x
  2. Step 2: Convert to fraction form
    783,099,450.84/1,080,655,676.87 = 430,675,569.73/x
  3. Step 3: Cross multiply
    783,099,450.84x = 1,080,655,676.87 × 430,675,569.73
  4. Step 4: Simplify right side
    783,099,450.84x = 465,411,999,317,945,984
  5. Step 5: Solve for x
    x = 465,411,999,317,945,984/783,099,450.84
  6. Step 6: Final answer
    x = 594,320,426.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.