Home / 240,319,645.40-360,479,468.10-149,620,381.40

Finding the Fourth Proportional to 240,319,645.40, 360,479,468.10 and 149,620,381.40

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Solution

The fourth proportional to 240,319,645.40, 360,479,468.10 and 149,620,381.40 is: 224,430,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,319,645.40 : 360,479,468.10 = 149,620,381.40 : x
  2. Step 2: Convert to fraction form
    240,319,645.40/360,479,468.10 = 149,620,381.40/x
  3. Step 3: Cross multiply
    240,319,645.40x = 360,479,468.10 × 149,620,381.40
  4. Step 4: Simplify right side
    240,319,645.40x = 53,935,075,503,991,136
  5. Step 5: Solve for x
    x = 53,935,075,503,991,136/240,319,645.40
  6. Step 6: Final answer
    x = 224,430,572.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.