Home / 1,008,956,402.84-1,392,359,220.06-545,382,386.84

Finding the Fourth Proportional to 1,008,956,402.84, 1,392,359,220.06 and 545,382,386.84

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Solution

The fourth proportional to 1,008,956,402.84, 1,392,359,220.06 and 545,382,386.84 is: 752,627,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,956,402.84 : 1,392,359,220.06 = 545,382,386.84 : x
  2. Step 2: Convert to fraction form
    1,008,956,402.84/1,392,359,220.06 = 545,382,386.84/x
  3. Step 3: Cross multiply
    1,008,956,402.84x = 1,392,359,220.06 × 545,382,386.84
  4. Step 4: Simplify right side
    1,008,956,402.84x = 759,368,194,775,003,648
  5. Step 5: Solve for x
    x = 759,368,194,775,003,648/1,008,956,402.84
  6. Step 6: Final answer
    x = 752,627,360.94

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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.