Home / 438,281,038.69-604,846,845.72-242,710,750.69

Finding the Fourth Proportional to 438,281,038.69, 604,846,845.72 and 242,710,750.69

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Solution

The fourth proportional to 438,281,038.69, 604,846,845.72 and 242,710,750.69 is: 334,951,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,281,038.69 : 604,846,845.72 = 242,710,750.69 : x
  2. Step 2: Convert to fraction form
    438,281,038.69/604,846,845.72 = 242,710,750.69/x
  3. Step 3: Cross multiply
    438,281,038.69x = 604,846,845.72 × 242,710,750.69
  4. Step 4: Simplify right side
    438,281,038.69x = 146,802,831,975,667,712
  5. Step 5: Solve for x
    x = 146,802,831,975,667,712/438,281,038.69
  6. Step 6: Final answer
    x = 334,951,364.57

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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.