Home / 769,559,557.96-1,061,963,738.04-417,127,981.66

Finding the Fourth Proportional to 769,559,557.96, 1,061,963,738.04 and 417,127,981.66

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Solution

The fourth proportional to 769,559,557.96, 1,061,963,738.04 and 417,127,981.66 is: 575,621,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,557.96 : 1,061,963,738.04 = 417,127,981.66 : x
  2. Step 2: Convert to fraction form
    769,559,557.96/1,061,963,738.04 = 417,127,981.66/x
  3. Step 3: Cross multiply
    769,559,557.96x = 1,061,963,738.04 × 417,127,981.66
  4. Step 4: Simplify right side
    769,559,557.96x = 442,974,790,644,734,208
  5. Step 5: Solve for x
    x = 442,974,790,644,734,208/769,559,557.96
  6. Step 6: Final answer
    x = 575,621,192.75

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Double scale
Find fourth proportional to 769,559,558.96, 1,061,963,739.42 and 417,127,982.66
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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.