Home / 318,730,638-439,836,667.98-177,594,566.16

Finding the Fourth Proportional to 318,730,638, 439,836,667.98 and 177,594,566.16

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Solution

The fourth proportional to 318,730,638, 439,836,667.98 and 177,594,566.16 is: 245,074,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,730,638 : 439,836,667.98 = 177,594,566.16 : x
  2. Step 2: Convert to fraction form
    318,730,638/439,836,667.98 = 177,594,566.16/x
  3. Step 3: Cross multiply
    318,730,638x = 439,836,667.98 × 177,594,566.16
  4. Step 4: Simplify right side
    318,730,638x = 78,112,602,231,168,064
  5. Step 5: Solve for x
    x = 78,112,602,231,168,064/318,730,638
  6. Step 6: Final answer
    x = 245,074,030.92

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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.