Home / 772,048,538.40-1,065,422,013.60-442,087,450.40

Finding the Fourth Proportional to 772,048,538.40, 1,065,422,013.60 and 442,087,450.40

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Solution

The fourth proportional to 772,048,538.40, 1,065,422,013.60 and 442,087,450.40 is: 610,077,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,048,538.40 : 1,065,422,013.60 = 442,087,450.40 : x
  2. Step 2: Convert to fraction form
    772,048,538.40/1,065,422,013.60 = 442,087,450.40/x
  3. Step 3: Cross multiply
    772,048,538.40x = 1,065,422,013.60 × 442,087,450.40
  4. Step 4: Simplify right side
    772,048,538.40x = 471,009,701,592,458,112
  5. Step 5: Solve for x
    x = 471,009,701,592,458,112/772,048,538.40
  6. Step 6: Final answer
    x = 610,077,836.00

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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.