Home / 841,889,336.58-1,161,814,802.04-465,571,388.16

Finding the Fourth Proportional to 841,889,336.58, 1,161,814,802.04 and 465,571,388.16

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Solution

The fourth proportional to 841,889,336.58, 1,161,814,802.04 and 465,571,388.16 is: 642,492,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,889,336.58 : 1,161,814,802.04 = 465,571,388.16 : x
  2. Step 2: Convert to fraction form
    841,889,336.58/1,161,814,802.04 = 465,571,388.16/x
  3. Step 3: Cross multiply
    841,889,336.58x = 1,161,814,802.04 × 465,571,388.16
  4. Step 4: Simplify right side
    841,889,336.58x = 540,907,730,170,598,400
  5. Step 5: Solve for x
    x = 540,907,730,170,598,400/841,889,336.58
  6. Step 6: Final answer
    x = 642,492,672.93

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1.5x scale

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.