Home / 8,420,359,417,138-11,620,164,223,075-4,666,106,734,157.20

Finding the Fourth Proportional to 8,420,359,417,138, 11,620,164,223,075 and 4,666,106,734,157.20

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Solution

The fourth proportional to 8,420,359,417,138, 11,620,164,223,075 and 4,666,106,734,157.20 is: 6,439,265,101,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,359,417,138 : 11,620,164,223,075 = 4,666,106,734,157.20 : x
  2. Step 2: Convert to fraction form
    8,420,359,417,138/11,620,164,223,075 = 4,666,106,734,157.20/x
  3. Step 3: Cross multiply
    8,420,359,417,138x = 11,620,164,223,075 × 4,666,106,734,157.20
  4. Step 4: Simplify right side
    8,420,359,417,138x = 54,220,926,533,302,830,283,882,496
  5. Step 5: Solve for x
    x = 54,220,926,533,302,830,283,882,496/8,420,359,417,138
  6. Step 6: Final answer
    x = 6,439,265,101,077.12

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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.