Home / 9,319,465,368.76-12,860,777,017.56-5,090,375,988.76

Finding the Fourth Proportional to 9,319,465,368.76, 12,860,777,017.56 and 5,090,375,988.76

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Solution

The fourth proportional to 9,319,465,368.76, 12,860,777,017.56 and 5,090,375,988.76 is: 7,024,672,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319,465,368.76 : 12,860,777,017.56 = 5,090,375,988.76 : x
  2. Step 2: Convert to fraction form
    9,319,465,368.76/12,860,777,017.56 = 5,090,375,988.76/x
  3. Step 3: Cross multiply
    9,319,465,368.76x = 12,860,777,017.56 × 5,090,375,988.76
  4. Step 4: Simplify right side
    9,319,465,368.76x = 65,466,190,526,983,872,512
  5. Step 5: Solve for x
    x = 65,466,190,526,983,872,512/9,319,465,368.76
  6. Step 6: Final answer
    x = 7,024,672,332.22

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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.