Home / 349,360,153,821.60-524,040,230,732.40-291,312,624,861.60

Finding the Fourth Proportional to 349,360,153,821.60, 524,040,230,732.40 and 291,312,624,861.60

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Solution

The fourth proportional to 349,360,153,821.60, 524,040,230,732.40 and 291,312,624,861.60 is: 436,968,937,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,360,153,821.60 : 524,040,230,732.40 = 291,312,624,861.60 : x
  2. Step 2: Convert to fraction form
    349,360,153,821.60/524,040,230,732.40 = 291,312,624,861.60/x
  3. Step 3: Cross multiply
    349,360,153,821.60x = 524,040,230,732.40 × 291,312,624,861.60
  4. Step 4: Simplify right side
    349,360,153,821.60x = 152,659,535,147,733,952,233,472
  5. Step 5: Solve for x
    x = 152,659,535,147,733,952,233,472/349,360,153,821.60
  6. Step 6: Final answer
    x = 436,968,937,292.40

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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.