Home / 705,405,501.54-973,466,689.82-387,882,494.82

Finding the Fourth Proportional to 705,405,501.54, 973,466,689.82 and 387,882,494.82

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Solution

The fourth proportional to 705,405,501.54, 973,466,689.82 and 387,882,494.82 is: 535,281,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,405,501.54 : 973,466,689.82 = 387,882,494.82 : x
  2. Step 2: Convert to fraction form
    705,405,501.54/973,466,689.82 = 387,882,494.82/x
  3. Step 3: Cross multiply
    705,405,501.54x = 973,466,689.82 × 387,882,494.82
  4. Step 4: Simplify right side
    705,405,501.54x = 377,590,688,269,609,280
  5. Step 5: Solve for x
    x = 377,590,688,269,609,280/705,405,501.54
  6. Step 6: Final answer
    x = 535,281,745.67

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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.