Home / 640,685,045.10-960,510,396.19-588,970,656.37

Finding the Fourth Proportional to 640,685,045.10, 960,510,396.19 and 588,970,656.37

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Solution

The fourth proportional to 640,685,045.10, 960,510,396.19 and 588,970,656.37 is: 882,980,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,685,045.10 : 960,510,396.19 = 588,970,656.37 : x
  2. Step 2: Convert to fraction form
    640,685,045.10/960,510,396.19 = 588,970,656.37/x
  3. Step 3: Cross multiply
    640,685,045.10x = 960,510,396.19 × 588,970,656.37
  4. Step 4: Simplify right side
    640,685,045.10x = 565,712,438,489,430,528
  5. Step 5: Solve for x
    x = 565,712,438,489,430,528/640,685,045.10
  6. Step 6: Final answer
    x = 882,980,557.80

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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.