Home / 679,677,503,541.20-937,977,154,612.98-371,045,319,370.20

Finding the Fourth Proportional to 679,677,503,541.20, 937,977,154,612.98 and 371,045,319,370.20

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Solution

The fourth proportional to 679,677,503,541.20, 937,977,154,612.98 and 371,045,319,370.20 is: 512,054,659,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,677,503,541.20 : 937,977,154,612.98 = 371,045,319,370.20 : x
  2. Step 2: Convert to fraction form
    679,677,503,541.20/937,977,154,612.98 = 371,045,319,370.20/x
  3. Step 3: Cross multiply
    679,677,503,541.20x = 937,977,154,612.98 × 371,045,319,370.20
  4. Step 4: Simplify right side
    679,677,503,541.20x = 348,032,032,895,324,607,479,808
  5. Step 5: Solve for x
    x = 348,032,032,895,324,607,479,808/679,677,503,541.20
  6. Step 6: Final answer
    x = 512,054,659,867.42

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Double scale
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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.