Home / 19,860,475,528.47-27,406,666,805.04-11,724,899,555.81

Finding the Fourth Proportional to 19,860,475,528.47, 27,406,666,805.04 and 11,724,899,555.81

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Solution

The fourth proportional to 19,860,475,528.47, 27,406,666,805.04 and 11,724,899,555.81 is: 16,179,895,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860,475,528.47 : 27,406,666,805.04 = 11,724,899,555.81 : x
  2. Step 2: Convert to fraction form
    19,860,475,528.47/27,406,666,805.04 = 11,724,899,555.81/x
  3. Step 3: Cross multiply
    19,860,475,528.47x = 27,406,666,805.04 × 11,724,899,555.81
  4. Step 4: Simplify right side
    19,860,475,528.47x = 321,340,415,448,532,713,472
  5. Step 5: Solve for x
    x = 321,340,415,448,532,713,472/19,860,475,528.47
  6. Step 6: Final answer
    x = 16,179,895,339.76

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1.5x scale

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.