Home / 661,879,358.98-913,382,372.54-364,549,290.18

Finding the Fourth Proportional to 661,879,358.98, 913,382,372.54 and 364,549,290.18

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Solution

The fourth proportional to 661,879,358.98, 913,382,372.54 and 364,549,290.18 is: 503,071,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,879,358.98 : 913,382,372.54 = 364,549,290.18 : x
  2. Step 2: Convert to fraction form
    661,879,358.98/913,382,372.54 = 364,549,290.18/x
  3. Step 3: Cross multiply
    661,879,358.98x = 913,382,372.54 × 364,549,290.18
  4. Step 4: Simplify right side
    661,879,358.98x = 332,972,895,572,381,312
  5. Step 5: Solve for x
    x = 332,972,895,572,381,312/661,879,358.98
  6. Step 6: Final answer
    x = 503,071,883.20

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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.