Home / 841,889,276.32-1,161,814,718.94-465,571,327.92

Finding the Fourth Proportional to 841,889,276.32, 1,161,814,718.94 and 465,571,327.92

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Solution

The fourth proportional to 841,889,276.32, 1,161,814,718.94 and 465,571,327.92 is: 642,492,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,889,276.32 : 1,161,814,718.94 = 465,571,327.92 : x
  2. Step 2: Convert to fraction form
    841,889,276.32/1,161,814,718.94 = 465,571,327.92/x
  3. Step 3: Cross multiply
    841,889,276.32x = 1,161,814,718.94 × 465,571,327.92
  4. Step 4: Simplify right side
    841,889,276.32x = 540,907,621,496,966,208
  5. Step 5: Solve for x
    x = 540,907,621,496,966,208/841,889,276.32
  6. Step 6: Final answer
    x = 642,492,589.84

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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.