Home / 1,385,308,009.28-2,077,961,484-556,261,403.36

Finding the Fourth Proportional to 1,385,308,009.28, 2,077,961,484 and 556,261,403.36

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Solution

The fourth proportional to 1,385,308,009.28, 2,077,961,484 and 556,261,403.36 is: 834,391,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,308,009.28 : 2,077,961,484 = 556,261,403.36 : x
  2. Step 2: Convert to fraction form
    1,385,308,009.28/2,077,961,484 = 556,261,403.36/x
  3. Step 3: Cross multiply
    1,385,308,009.28x = 2,077,961,484 × 556,261,403.36
  4. Step 4: Simplify right side
    1,385,308,009.28x = 1,155,889,771,217,868,288
  5. Step 5: Solve for x
    x = 1,155,889,771,217,868,288/1,385,308,009.28
  6. Step 6: Final answer
    x = 834,391,892.25

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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.