Home / 838,220,850.36-1,156,692,653.46-461,856,376.35

Finding the Fourth Proportional to 838,220,850.36, 1,156,692,653.46 and 461,856,376.35

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Solution

The fourth proportional to 838,220,850.36, 1,156,692,653.46 and 461,856,376.35 is: 637,333,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,220,850.36 : 1,156,692,653.46 = 461,856,376.35 : x
  2. Step 2: Convert to fraction form
    838,220,850.36/1,156,692,653.46 = 461,856,376.35/x
  3. Step 3: Cross multiply
    838,220,850.36x = 1,156,692,653.46 × 461,856,376.35
  4. Step 4: Simplify right side
    838,220,850.36x = 534,225,877,477,701,952
  5. Step 5: Solve for x
    x = 534,225,877,477,701,952/838,220,850.36
  6. Step 6: Final answer
    x = 637,333,081.43

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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.