Home / 639,049,602,880.30-881,888,927,434.38-346,076,799,915

Finding the Fourth Proportional to 639,049,602,880.30, 881,888,927,434.38 and 346,076,799,915

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Solution

The fourth proportional to 639,049,602,880.30, 881,888,927,434.38 and 346,076,799,915 is: 477,586,241,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,049,602,880.30 : 881,888,927,434.38 = 346,076,799,915 : x
  2. Step 2: Convert to fraction form
    639,049,602,880.30/881,888,927,434.38 = 346,076,799,915/x
  3. Step 3: Cross multiply
    639,049,602,880.30x = 881,888,927,434.38 × 346,076,799,915
  4. Step 4: Simplify right side
    639,049,602,880.30x = 305,201,297,886,961,876,336,640
  5. Step 5: Solve for x
    x = 305,201,297,886,961,876,336,640/639,049,602,880.30
  6. Step 6: Final answer
    x = 477,586,241,367.45

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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.