Home / 465,887,316,892.32-642,918,211,214.88-260,124,725,672.40

Finding the Fourth Proportional to 465,887,316,892.32, 642,918,211,214.88 and 260,124,725,672.40

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Solution

The fourth proportional to 465,887,316,892.32, 642,918,211,214.88 and 260,124,725,672.40 is: 358,968,611,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,887,316,892.32 : 642,918,211,214.88 = 260,124,725,672.40 : x
  2. Step 2: Convert to fraction form
    465,887,316,892.32/642,918,211,214.88 = 260,124,725,672.40/x
  3. Step 3: Cross multiply
    465,887,316,892.32x = 642,918,211,214.88 × 260,124,725,672.40
  4. Step 4: Simplify right side
    465,887,316,892.32x = 167,238,923,322,060,789,776,384
  5. Step 5: Solve for x
    x = 167,238,923,322,060,789,776,384/465,887,316,892.32
  6. Step 6: Final answer
    x = 358,968,611,632.57

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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.