Home / 479,531,075.13-661,752,875.59-259,514,501.13

Finding the Fourth Proportional to 479,531,075.13, 661,752,875.59 and 259,514,501.13

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Solution

The fourth proportional to 479,531,075.13, 661,752,875.59 and 259,514,501.13 is: 358,130,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,531,075.13 : 661,752,875.59 = 259,514,501.13 : x
  2. Step 2: Convert to fraction form
    479,531,075.13/661,752,875.59 = 259,514,501.13/x
  3. Step 3: Cross multiply
    479,531,075.13x = 661,752,875.59 × 259,514,501.13
  4. Step 4: Simplify right side
    479,531,075.13x = 171,734,467,379,433,024
  5. Step 5: Solve for x
    x = 171,734,467,379,433,024/479,531,075.13
  6. Step 6: Final answer
    x = 358,130,007.18

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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.