Home / 284,492,347.40-426,525,944.70-155,245,896.20

Finding the Fourth Proportional to 284,492,347.40, 426,525,944.70 and 155,245,896.20

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Solution

The fourth proportional to 284,492,347.40, 426,525,944.70 and 155,245,896.20 is: 232,752,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,492,347.40 : 426,525,944.70 = 155,245,896.20 : x
  2. Step 2: Convert to fraction form
    284,492,347.40/426,525,944.70 = 155,245,896.20/x
  3. Step 3: Cross multiply
    284,492,347.40x = 426,525,944.70 × 155,245,896.20
  4. Step 4: Simplify right side
    284,492,347.40x = 66,216,402,537,503,136
  5. Step 5: Solve for x
    x = 66,216,402,537,503,136/284,492,347.40
  6. Step 6: Final answer
    x = 232,752,842.54

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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.