Home / 919,329,713.40-1,378,994,570.10-804,538,457.40

Finding the Fourth Proportional to 919,329,713.40, 1,378,994,570.10 and 804,538,457.40

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Solution

The fourth proportional to 919,329,713.40, 1,378,994,570.10 and 804,538,457.40 is: 1,206,807,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,329,713.40 : 1,378,994,570.10 = 804,538,457.40 : x
  2. Step 2: Convert to fraction form
    919,329,713.40/1,378,994,570.10 = 804,538,457.40/x
  3. Step 3: Cross multiply
    919,329,713.40x = 1,378,994,570.10 × 804,538,457.40
  4. Step 4: Simplify right side
    919,329,713.40x = 1,109,454,164,191,230,080
  5. Step 5: Solve for x
    x = 1,109,454,164,191,230,080/919,329,713.40
  6. Step 6: Final answer
    x = 1,206,807,686.10

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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.