Home / 705,529,587.76-973,685,368.80-423,282,650.56

Finding the Fourth Proportional to 705,529,587.76, 973,685,368.80 and 423,282,650.56

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Solution

The fourth proportional to 705,529,587.76, 973,685,368.80 and 423,282,650.56 is: 584,162,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,529,587.76 : 973,685,368.80 = 423,282,650.56 : x
  2. Step 2: Convert to fraction form
    705,529,587.76/973,685,368.80 = 423,282,650.56/x
  3. Step 3: Cross multiply
    705,529,587.76x = 973,685,368.80 × 423,282,650.56
  4. Step 4: Simplify right side
    705,529,587.76x = 412,144,123,717,155,136
  5. Step 5: Solve for x
    x = 412,144,123,717,155,136/705,529,587.76
  6. Step 6: Final answer
    x = 584,162,777.67

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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.