Home / 7,020,578,976-9,688,523,818.68-3,805,594,262.52

Finding the Fourth Proportional to 7,020,578,976, 9,688,523,818.68 and 3,805,594,262.52

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Solution

The fourth proportional to 7,020,578,976, 9,688,523,818.68 and 3,805,594,262.52 is: 5,251,787,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,578,976 : 9,688,523,818.68 = 3,805,594,262.52 : x
  2. Step 2: Convert to fraction form
    7,020,578,976/9,688,523,818.68 = 3,805,594,262.52/x
  3. Step 3: Cross multiply
    7,020,578,976x = 9,688,523,818.68 × 3,805,594,262.52
  4. Step 4: Simplify right side
    7,020,578,976x = 36,870,590,656,656,969,728
  5. Step 5: Solve for x
    x = 36,870,590,656,656,969,728/7,020,578,976
  6. Step 6: Final answer
    x = 5,251,787,748.94

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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.