Home / 684,195,083.05-944,225,875.35-382,762,412.81

Finding the Fourth Proportional to 684,195,083.05, 944,225,875.35 and 382,762,412.81

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Solution

The fourth proportional to 684,195,083.05, 944,225,875.35 and 382,762,412.81 is: 528,232,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,195,083.05 : 944,225,875.35 = 382,762,412.81 : x
  2. Step 2: Convert to fraction form
    684,195,083.05/944,225,875.35 = 382,762,412.81/x
  3. Step 3: Cross multiply
    684,195,083.05x = 944,225,875.35 × 382,762,412.81
  4. Step 4: Simplify right side
    684,195,083.05x = 361,414,174,281,879,168
  5. Step 5: Solve for x
    x = 361,414,174,281,879,168/684,195,083.05
  6. Step 6: Final answer
    x = 528,232,638.96

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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.