Home / 385,666,774.16-532,252,971.74-218,432,784.94

Finding the Fourth Proportional to 385,666,774.16, 532,252,971.74 and 218,432,784.94

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Solution

The fourth proportional to 385,666,774.16, 532,252,971.74 and 218,432,784.94 is: 301,455,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,666,774.16 : 532,252,971.74 = 218,432,784.94 : x
  2. Step 2: Convert to fraction form
    385,666,774.16/532,252,971.74 = 218,432,784.94/x
  3. Step 3: Cross multiply
    385,666,774.16x = 532,252,971.74 × 218,432,784.94
  4. Step 4: Simplify right side
    385,666,774.16x = 116,261,498,908,974,768
  5. Step 5: Solve for x
    x = 116,261,498,908,974,768/385,666,774.16
  6. Step 6: Final answer
    x = 301,455,833.64

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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.