Home / 500,838,271.59-751,257,430.75-343,115,758.45

Finding the Fourth Proportional to 500,838,271.59, 751,257,430.75 and 343,115,758.45

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Solution

The fourth proportional to 500,838,271.59, 751,257,430.75 and 343,115,758.45 is: 514,673,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,838,271.59 : 751,257,430.75 = 343,115,758.45 : x
  2. Step 2: Convert to fraction form
    500,838,271.59/751,257,430.75 = 343,115,758.45/x
  3. Step 3: Cross multiply
    500,838,271.59x = 751,257,430.75 × 343,115,758.45
  4. Step 4: Simplify right side
    500,838,271.59x = 257,768,263,142,431,136
  5. Step 5: Solve for x
    x = 257,768,263,142,431,136/500,838,271.59
  6. Step 6: Final answer
    x = 514,673,653.68

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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.