Home / 979,819,373.19-1,352,148,367.69-533,786,401.70

Finding the Fourth Proportional to 979,819,373.19, 1,352,148,367.69 and 533,786,401.70

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Solution

The fourth proportional to 979,819,373.19, 1,352,148,367.69 and 533,786,401.70 is: 736,623,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,373.19 : 1,352,148,367.69 = 533,786,401.70 : x
  2. Step 2: Convert to fraction form
    979,819,373.19/1,352,148,367.69 = 533,786,401.70/x
  3. Step 3: Cross multiply
    979,819,373.19x = 1,352,148,367.69 × 533,786,401.70
  4. Step 4: Simplify right side
    979,819,373.19x = 721,758,411,753,773,696
  5. Step 5: Solve for x
    x = 721,758,411,753,773,696/979,819,373.19
  6. Step 6: Final answer
    x = 736,623,944.68

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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.