Home / 572,341,313.40-858,795,405.30-326,886,430.20

Finding the Fourth Proportional to 572,341,313.40, 858,795,405.30 and 326,886,430.20

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Solution

The fourth proportional to 572,341,313.40, 858,795,405.30 and 326,886,430.20 is: 490,491,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,341,313.40 : 858,795,405.30 = 326,886,430.20 : x
  2. Step 2: Convert to fraction form
    572,341,313.40/858,795,405.30 = 326,886,430.20/x
  3. Step 3: Cross multiply
    572,341,313.40x = 858,795,405.30 × 326,886,430.20
  4. Step 4: Simplify right side
    572,341,313.40x = 280,728,564,310,679,136
  5. Step 5: Solve for x
    x = 280,728,564,310,679,136/572,341,313.40
  6. Step 6: Final answer
    x = 490,491,526.19

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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.