Home / 460,148,200.89-635,020,187.45-272,137,661.25

Finding the Fourth Proportional to 460,148,200.89, 635,020,187.45 and 272,137,661.25

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Solution

The fourth proportional to 460,148,200.89, 635,020,187.45 and 272,137,661.25 is: 375,559,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,148,200.89 : 635,020,187.45 = 272,137,661.25 : x
  2. Step 2: Convert to fraction form
    460,148,200.89/635,020,187.45 = 272,137,661.25/x
  3. Step 3: Cross multiply
    460,148,200.89x = 635,020,187.45 × 272,137,661.25
  4. Step 4: Simplify right side
    460,148,200.89x = 172,812,908,657,818,912
  5. Step 5: Solve for x
    x = 172,812,908,657,818,912/460,148,200.89
  6. Step 6: Final answer
    x = 375,559,240.10

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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.