Home / 401,974,891.80-602,962,337.70-384,968,779.80

Finding the Fourth Proportional to 401,974,891.80, 602,962,337.70 and 384,968,779.80

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Solution

The fourth proportional to 401,974,891.80, 602,962,337.70 and 384,968,779.80 is: 577,453,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,974,891.80 : 602,962,337.70 = 384,968,779.80 : x
  2. Step 2: Convert to fraction form
    401,974,891.80/602,962,337.70 = 384,968,779.80/x
  3. Step 3: Cross multiply
    401,974,891.80x = 602,962,337.70 × 384,968,779.80
  4. Step 4: Simplify right side
    401,974,891.80x = 232,121,675,409,724,576
  5. Step 5: Solve for x
    x = 232,121,675,409,724,576/401,974,891.80
  6. Step 6: Final answer
    x = 577,453,169.70

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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.