Home / 421,402,488,669.72-581,435,762,926.30-238,499,590,246.36

Finding the Fourth Proportional to 421,402,488,669.72, 581,435,762,926.30 and 238,499,590,246.36

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Solution

The fourth proportional to 421,402,488,669.72, 581,435,762,926.30 and 238,499,590,246.36 is: 329,073,023,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,402,488,669.72 : 581,435,762,926.30 = 238,499,590,246.36 : x
  2. Step 2: Convert to fraction form
    421,402,488,669.72/581,435,762,926.30 = 238,499,590,246.36/x
  3. Step 3: Cross multiply
    421,402,488,669.72x = 581,435,762,926.30 × 238,499,590,246.36
  4. Step 4: Simplify right side
    421,402,488,669.72x = 138,672,191,212,502,267,199,488
  5. Step 5: Solve for x
    x = 138,672,191,212,502,267,199,488/421,402,488,669.72
  6. Step 6: Final answer
    x = 329,073,023,869.08

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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.