Home / 841,889,277.32-1,161,814,720.32-465,571,328.92

Finding the Fourth Proportional to 841,889,277.32, 1,161,814,720.32 and 465,571,328.92

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Solution

The fourth proportional to 841,889,277.32, 1,161,814,720.32 and 465,571,328.92 is: 642,492,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,889,277.32 : 1,161,814,720.32 = 465,571,328.92 : x
  2. Step 2: Convert to fraction form
    841,889,277.32/1,161,814,720.32 = 465,571,328.92/x
  3. Step 3: Cross multiply
    841,889,277.32x = 1,161,814,720.32 × 465,571,328.92
  4. Step 4: Simplify right side
    841,889,277.32x = 540,907,623,298,200,512
  5. Step 5: Solve for x
    x = 540,907,623,298,200,512/841,889,277.32
  6. Step 6: Final answer
    x = 642,492,591.21

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Double scale
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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.