Home / 665,323,684.96-918,429,390.59-414,551,975.84

Finding the Fourth Proportional to 665,323,684.96, 918,429,390.59 and 414,551,975.84

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Solution

The fourth proportional to 665,323,684.96, 918,429,390.59 and 414,551,975.84 is: 572,257,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,323,684.96 : 918,429,390.59 = 414,551,975.84 : x
  2. Step 2: Convert to fraction form
    665,323,684.96/918,429,390.59 = 414,551,975.84/x
  3. Step 3: Cross multiply
    665,323,684.96x = 918,429,390.59 × 414,551,975.84
  4. Step 4: Simplify right side
    665,323,684.96x = 380,736,718,544,062,144
  5. Step 5: Solve for x
    x = 380,736,718,544,062,144/665,323,684.96
  6. Step 6: Final answer
    x = 572,257,875.60

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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.