Home / 402,787,374,036.22-555,848,833,881.10-229,172,509,281.35

Finding the Fourth Proportional to 402,787,374,036.22, 555,848,833,881.10 and 229,172,509,281.35

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Solution

The fourth proportional to 402,787,374,036.22, 555,848,833,881.10 and 229,172,509,281.35 is: 316,259,347,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,787,374,036.22 : 555,848,833,881.10 = 229,172,509,281.35 : x
  2. Step 2: Convert to fraction form
    402,787,374,036.22/555,848,833,881.10 = 229,172,509,281.35/x
  3. Step 3: Cross multiply
    402,787,374,036.22x = 555,848,833,881.10 × 229,172,509,281.35
  4. Step 4: Simplify right side
    402,787,374,036.22x = 127,385,272,041,643,958,075,392
  5. Step 5: Solve for x
    x = 127,385,272,041,643,958,075,392/402,787,374,036.22
  6. Step 6: Final answer
    x = 316,259,347,370.18

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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.