Home / 1,617,329,754.42-2,430,260,538.98-870,897,397.94

Finding the Fourth Proportional to 1,617,329,754.42, 2,430,260,538.98 and 870,897,397.94

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Solution

The fourth proportional to 1,617,329,754.42, 2,430,260,538.98 and 870,897,397.94 is: 1,308,643,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,329,754.42 : 2,430,260,538.98 = 870,897,397.94 : x
  2. Step 2: Convert to fraction form
    1,617,329,754.42/2,430,260,538.98 = 870,897,397.94/x
  3. Step 3: Cross multiply
    1,617,329,754.42x = 2,430,260,538.98 × 870,897,397.94
  4. Step 4: Simplify right side
    1,617,329,754.42x = 2,116,507,579,715,001,088
  5. Step 5: Solve for x
    x = 2,116,507,579,715,001,088/1,617,329,754.42
  6. Step 6: Final answer
    x = 1,308,643,196.56

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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.