Home / 9,895,097,821.47-13,655,137,981.95-5,378,708,159.46

Finding the Fourth Proportional to 9,895,097,821.47, 13,655,137,981.95 and 5,378,708,159.46

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Solution

The fourth proportional to 9,895,097,821.47, 13,655,137,981.95 and 5,378,708,159.46 is: 7,422,564,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895,097,821.47 : 13,655,137,981.95 = 5,378,708,159.46 : x
  2. Step 2: Convert to fraction form
    9,895,097,821.47/13,655,137,981.95 = 5,378,708,159.46/x
  3. Step 3: Cross multiply
    9,895,097,821.47x = 13,655,137,981.95 × 5,378,708,159.46
  4. Step 4: Simplify right side
    9,895,097,821.47x = 73,447,002,082,066,628,608
  5. Step 5: Solve for x
    x = 73,447,002,082,066,628,608/9,895,097,821.47
  6. Step 6: Final answer
    x = 7,422,564,527.12

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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.