Home / 438,046,312.86-604,503,923.67-242,476,024.86

Finding the Fourth Proportional to 438,046,312.86, 604,503,923.67 and 242,476,024.86

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Solution

The fourth proportional to 438,046,312.86, 604,503,923.67 and 242,476,024.86 is: 334,616,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,046,312.86 : 604,503,923.67 = 242,476,024.86 : x
  2. Step 2: Convert to fraction form
    438,046,312.86/604,503,923.67 = 242,476,024.86/x
  3. Step 3: Cross multiply
    438,046,312.86x = 604,503,923.67 × 242,476,024.86
  4. Step 4: Simplify right side
    438,046,312.86x = 146,577,708,423,774,464
  5. Step 5: Solve for x
    x = 146,577,708,423,774,464/438,046,312.86
  6. Step 6: Final answer
    x = 334,616,920.91

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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.