Home / 639,049,602,871.85-881,888,927,422.65-346,076,799,906.47

Finding the Fourth Proportional to 639,049,602,871.85, 881,888,927,422.65 and 346,076,799,906.47

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Solution

The fourth proportional to 639,049,602,871.85, 881,888,927,422.65 and 346,076,799,906.47 is: 477,586,241,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,049,602,871.85 : 881,888,927,422.65 = 346,076,799,906.47 : x
  2. Step 2: Convert to fraction form
    639,049,602,871.85/881,888,927,422.65 = 346,076,799,906.47/x
  3. Step 3: Cross multiply
    639,049,602,871.85x = 881,888,927,422.65 × 346,076,799,906.47
  4. Step 4: Simplify right side
    639,049,602,871.85x = 305,201,297,875,379,893,043,200
  5. Step 5: Solve for x
    x = 305,201,297,875,379,893,043,200/639,049,602,871.85
  6. Step 6: Final answer
    x = 477,586,241,355.64

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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.