Home / 659,628,731.06-910,284,127.86-358,211,407.90

Finding the Fourth Proportional to 659,628,731.06, 910,284,127.86 and 358,211,407.90

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Solution

The fourth proportional to 659,628,731.06, 910,284,127.86 and 358,211,407.90 is: 494,329,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,628,731.06 : 910,284,127.86 = 358,211,407.90 : x
  2. Step 2: Convert to fraction form
    659,628,731.06/910,284,127.86 = 358,211,407.90/x
  3. Step 3: Cross multiply
    659,628,731.06x = 910,284,127.86 × 358,211,407.90
  4. Step 4: Simplify right side
    659,628,731.06x = 326,074,159,029,754,176
  5. Step 5: Solve for x
    x = 326,074,159,029,754,176/659,628,731.06
  6. Step 6: Final answer
    x = 494,329,830.82

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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.