Home / 1,290,468,233,241-1,934,748,069,545.90-780,413,606,464.05

Finding the Fourth Proportional to 1,290,468,233,241, 1,934,748,069,545.90 and 780,413,606,464.05

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Solution

The fourth proportional to 1,290,468,233,241, 1,934,748,069,545.90 and 780,413,606,464.05 is: 1,170,043,306,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,468,233,241 : 1,934,748,069,545.90 = 780,413,606,464.05 : x
  2. Step 2: Convert to fraction form
    1,290,468,233,241/1,934,748,069,545.90 = 780,413,606,464.05/x
  3. Step 3: Cross multiply
    1,290,468,233,241x = 1,934,748,069,545.90 × 780,413,606,464.05
  4. Step 4: Simplify right side
    1,290,468,233,241x = 1,509,903,718,553,674,508,664,832
  5. Step 5: Solve for x
    x = 1,509,903,718,553,674,508,664,832/1,290,468,233,241
  6. Step 6: Final answer
    x = 1,170,043,306,499.35

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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.