Home / 8,943,585,615.40-12,341,644,402.24-4,929,243,655.72

Finding the Fourth Proportional to 8,943,585,615.40, 12,341,644,402.24 and 4,929,243,655.72

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Solution

The fourth proportional to 8,943,585,615.40, 12,341,644,402.24 and 4,929,243,655.72 is: 6,802,078,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943,585,615.40 : 12,341,644,402.24 = 4,929,243,655.72 : x
  2. Step 2: Convert to fraction form
    8,943,585,615.40/12,341,644,402.24 = 4,929,243,655.72/x
  3. Step 3: Cross multiply
    8,943,585,615.40x = 12,341,644,402.24 × 4,929,243,655.72
  4. Step 4: Simplify right side
    8,943,585,615.40x = 60,834,972,370,893,774,848
  5. Step 5: Solve for x
    x = 60,834,972,370,893,774,848/8,943,585,615.40
  6. Step 6: Final answer
    x = 6,802,078,605.49

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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.