Home / 425,961,304.60-637,808,216.10-271,772,555.80

Finding the Fourth Proportional to 425,961,304.60, 637,808,216.10 and 271,772,555.80

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Solution

The fourth proportional to 425,961,304.60, 637,808,216.10 and 271,772,555.80 is: 406,935,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,961,304.60 : 637,808,216.10 = 271,772,555.80 : x
  2. Step 2: Convert to fraction form
    425,961,304.60/637,808,216.10 = 271,772,555.80/x
  3. Step 3: Cross multiply
    425,961,304.60x = 637,808,216.10 × 271,772,555.80
  4. Step 4: Simplify right side
    425,961,304.60x = 173,338,768,999,735,712
  5. Step 5: Solve for x
    x = 173,338,768,999,735,712/425,961,304.60
  6. Step 6: Final answer
    x = 406,935,482.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.