Home / 978,414,922.08-1,349,698,063.08-581,655,686.52

Finding the Fourth Proportional to 978,414,922.08, 1,349,698,063.08 and 581,655,686.52

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Solution

The fourth proportional to 978,414,922.08, 1,349,698,063.08 and 581,655,686.52 is: 802,378,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,414,922.08 : 1,349,698,063.08 = 581,655,686.52 : x
  2. Step 2: Convert to fraction form
    978,414,922.08/1,349,698,063.08 = 581,655,686.52/x
  3. Step 3: Cross multiply
    978,414,922.08x = 1,349,698,063.08 × 581,655,686.52
  4. Step 4: Simplify right side
    978,414,922.08x = 785,059,553,475,511,552
  5. Step 5: Solve for x
    x = 785,059,553,475,511,552/978,414,922.08
  6. Step 6: Final answer
    x = 802,378,965.98

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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.