Home / 774,893,972.59-1,069,307,601.63-440,320,059.71

Finding the Fourth Proportional to 774,893,972.59, 1,069,307,601.63 and 440,320,059.71

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Solution

The fourth proportional to 774,893,972.59, 1,069,307,601.63 and 440,320,059.71 is: 607,615,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,893,972.59 : 1,069,307,601.63 = 440,320,059.71 : x
  2. Step 2: Convert to fraction form
    774,893,972.59/1,069,307,601.63 = 440,320,059.71/x
  3. Step 3: Cross multiply
    774,893,972.59x = 1,069,307,601.63 × 440,320,059.71
  4. Step 4: Simplify right side
    774,893,972.59x = 470,837,586,998,078,464
  5. Step 5: Solve for x
    x = 470,837,586,998,078,464/774,893,972.59
  6. Step 6: Final answer
    x = 607,615,497.93

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Double scale
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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.