Home / 286,848,782.69-429,382,501.88-155,364,491.03

Finding the Fourth Proportional to 286,848,782.69, 429,382,501.88 and 155,364,491.03

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Solution

The fourth proportional to 286,848,782.69, 429,382,501.88 and 155,364,491.03 is: 232,564,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,848,782.69 : 429,382,501.88 = 155,364,491.03 : x
  2. Step 2: Convert to fraction form
    286,848,782.69/429,382,501.88 = 155,364,491.03/x
  3. Step 3: Cross multiply
    286,848,782.69x = 429,382,501.88 × 155,364,491.03
  4. Step 4: Simplify right side
    286,848,782.69x = 66,710,793,861,774,216
  5. Step 5: Solve for x
    x = 66,710,793,861,774,216/286,848,782.69
  6. Step 6: Final answer
    x = 232,564,326.18

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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.