Home / 1,254,159,812.34-1,730,747,270.57-689,681,093.67

Finding the Fourth Proportional to 1,254,159,812.34, 1,730,747,270.57 and 689,681,093.67

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Solution

The fourth proportional to 1,254,159,812.34, 1,730,747,270.57 and 689,681,093.67 is: 951,763,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,159,812.34 : 1,730,747,270.57 = 689,681,093.67 : x
  2. Step 2: Convert to fraction form
    1,254,159,812.34/1,730,747,270.57 = 689,681,093.67/x
  3. Step 3: Cross multiply
    1,254,159,812.34x = 1,730,747,270.57 × 689,681,093.67
  4. Step 4: Simplify right side
    1,254,159,812.34x = 1,193,663,670,429,636,608
  5. Step 5: Solve for x
    x = 1,193,663,670,429,636,608/1,254,159,812.34
  6. Step 6: Final answer
    x = 951,763,609.94

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Double scale
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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.