Home / 281,566,916,047.84-388,569,708,382.80-153,115,877,270.56

Finding the Fourth Proportional to 281,566,916,047.84, 388,569,708,382.80 and 153,115,877,270.56

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Solution

The fourth proportional to 281,566,916,047.84, 388,569,708,382.80 and 153,115,877,270.56 is: 211,303,915,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,566,916,047.84 : 388,569,708,382.80 = 153,115,877,270.56 : x
  2. Step 2: Convert to fraction form
    281,566,916,047.84/388,569,708,382.80 = 153,115,877,270.56/x
  3. Step 3: Cross multiply
    281,566,916,047.84x = 388,569,708,382.80 × 153,115,877,270.56
  4. Step 4: Simplify right side
    281,566,916,047.84x = 59,496,191,779,798,092,087,296
  5. Step 5: Solve for x
    x = 59,496,191,779,798,092,087,296/281,566,916,047.84
  6. Step 6: Final answer
    x = 211,303,915,299.80

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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.