Home / 1,283,155,362.21-1,773,992,774.94-948,099,428

Finding the Fourth Proportional to 1,283,155,362.21, 1,773,992,774.94 and 948,099,428

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Solution

The fourth proportional to 1,283,155,362.21, 1,773,992,774.94 and 948,099,428 is: 1,310,769,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,155,362.21 : 1,773,992,774.94 = 948,099,428 : x
  2. Step 2: Convert to fraction form
    1,283,155,362.21/1,773,992,774.94 = 948,099,428/x
  3. Step 3: Cross multiply
    1,283,155,362.21x = 1,773,992,774.94 × 948,099,428
  4. Step 4: Simplify right side
    1,283,155,362.21x = 1,681,921,535,196,746,752
  5. Step 5: Solve for x
    x = 1,681,921,535,196,746,752/1,283,155,362.21
  6. Step 6: Final answer
    x = 1,310,769,985.25

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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.