Home / 5,156,818,312.16-7,735,217,806.25-1,615,830,826.57

Finding the Fourth Proportional to 5,156,818,312.16, 7,735,217,806.25 and 1,615,830,826.57

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Solution

The fourth proportional to 5,156,818,312.16, 7,735,217,806.25 and 1,615,830,826.57 is: 2,423,743,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,818,312.16 : 7,735,217,806.25 = 1,615,830,826.57 : x
  2. Step 2: Convert to fraction form
    5,156,818,312.16/7,735,217,806.25 = 1,615,830,826.57/x
  3. Step 3: Cross multiply
    5,156,818,312.16x = 7,735,217,806.25 × 1,615,830,826.57
  4. Step 4: Simplify right side
    5,156,818,312.16x = 12,498,803,381,567,881,216
  5. Step 5: Solve for x
    x = 12,498,803,381,567,881,216/5,156,818,312.16
  6. Step 6: Final answer
    x = 2,423,743,212.38

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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.