Home / 659,628,731.12-910,284,127.95-358,211,407.97

Finding the Fourth Proportional to 659,628,731.12, 910,284,127.95 and 358,211,407.97

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Solution

The fourth proportional to 659,628,731.12, 910,284,127.95 and 358,211,407.97 is: 494,329,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,628,731.12 : 910,284,127.95 = 358,211,407.97 : x
  2. Step 2: Convert to fraction form
    659,628,731.12/910,284,127.95 = 358,211,407.97/x
  3. Step 3: Cross multiply
    659,628,731.12x = 910,284,127.95 × 358,211,407.97
  4. Step 4: Simplify right side
    659,628,731.12x = 326,074,159,119,370,624
  5. Step 5: Solve for x
    x = 326,074,159,119,370,624/659,628,731.12
  6. Step 6: Final answer
    x = 494,329,830.91

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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.