Home / 1,141,245,910,748.70-1,574,920,369,959-627,420,447,308.72

Finding the Fourth Proportional to 1,141,245,910,748.70, 1,574,920,369,959 and 627,420,447,308.72

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Solution

The fourth proportional to 1,141,245,910,748.70, 1,574,920,369,959 and 627,420,447,308.72 is: 865,840,774,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,245,910,748.70 : 1,574,920,369,959 = 627,420,447,308.72 : x
  2. Step 2: Convert to fraction form
    1,141,245,910,748.70/1,574,920,369,959 = 627,420,447,308.72/x
  3. Step 3: Cross multiply
    1,141,245,910,748.70x = 1,574,920,369,959 × 627,420,447,308.72
  4. Step 4: Simplify right side
    1,141,245,910,748.70x = 988,137,242,995,290,460,389,376
  5. Step 5: Solve for x
    x = 988,137,242,995,290,460,389,376/1,141,245,910,748.70
  6. Step 6: Final answer
    x = 865,840,774,270.14

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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.