Home / 639,049,602,880.80-881,888,927,435.08-346,076,799,915.50

Finding the Fourth Proportional to 639,049,602,880.80, 881,888,927,435.08 and 346,076,799,915.50

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Solution

The fourth proportional to 639,049,602,880.80, 881,888,927,435.08 and 346,076,799,915.50 is: 477,586,241,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,049,602,880.80 : 881,888,927,435.08 = 346,076,799,915.50 : x
  2. Step 2: Convert to fraction form
    639,049,602,880.80/881,888,927,435.08 = 346,076,799,915.50/x
  3. Step 3: Cross multiply
    639,049,602,880.80x = 881,888,927,435.08 × 346,076,799,915.50
  4. Step 4: Simplify right side
    639,049,602,880.80x = 305,201,297,887,645,044,572,160
  5. Step 5: Solve for x
    x = 305,201,297,887,645,044,572,160/639,049,602,880.80
  6. Step 6: Final answer
    x = 477,586,241,368.14

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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.