Home / 769,559,390.69-1,061,963,507.94-417,127,814.60

Finding the Fourth Proportional to 769,559,390.69, 1,061,963,507.94 and 417,127,814.60

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Solution

The fourth proportional to 769,559,390.69, 1,061,963,507.94 and 417,127,814.60 is: 575,620,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,390.69 : 1,061,963,507.94 = 417,127,814.60 : x
  2. Step 2: Convert to fraction form
    769,559,390.69/1,061,963,507.94 = 417,127,814.60/x
  3. Step 3: Cross multiply
    769,559,390.69x = 1,061,963,507.94 × 417,127,814.60
  4. Step 4: Simplify right side
    769,559,390.69x = 442,974,517,251,961,984
  5. Step 5: Solve for x
    x = 442,974,517,251,961,984/769,559,390.69
  6. Step 6: Final answer
    x = 575,620,962.61

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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.