Home / 554,799,590.95-765,333,166.51-343,038,729.73

Finding the Fourth Proportional to 554,799,590.95, 765,333,166.51 and 343,038,729.73

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Solution

The fourth proportional to 554,799,590.95, 765,333,166.51 and 343,038,729.73 is: 473,213,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,799,590.95 : 765,333,166.51 = 343,038,729.73 : x
  2. Step 2: Convert to fraction form
    554,799,590.95/765,333,166.51 = 343,038,729.73/x
  3. Step 3: Cross multiply
    554,799,590.95x = 765,333,166.51 × 343,038,729.73
  4. Step 4: Simplify right side
    554,799,590.95x = 262,538,917,259,828,992
  5. Step 5: Solve for x
    x = 262,538,917,259,828,992/554,799,590.95
  6. Step 6: Final answer
    x = 473,213,970.49

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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.