Home / 2,818,185,411.70-4,227,278,117.55-977,326,275.70

Finding the Fourth Proportional to 2,818,185,411.70, 4,227,278,117.55 and 977,326,275.70

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Solution

The fourth proportional to 2,818,185,411.70, 4,227,278,117.55 and 977,326,275.70 is: 1,465,989,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,185,411.70 : 4,227,278,117.55 = 977,326,275.70 : x
  2. Step 2: Convert to fraction form
    2,818,185,411.70/4,227,278,117.55 = 977,326,275.70/x
  3. Step 3: Cross multiply
    2,818,185,411.70x = 4,227,278,117.55 × 977,326,275.70
  4. Step 4: Simplify right side
    2,818,185,411.70x = 4,131,429,978,973,248,512
  5. Step 5: Solve for x
    x = 4,131,429,978,973,248,512/2,818,185,411.70
  6. Step 6: Final answer
    x = 1,465,989,413.55

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Double scale
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1.5x scale

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.