Home / 304,927,780,957.96-421,404,094,051.85-249,908,173,981.58

Finding the Fourth Proportional to 304,927,780,957.96, 421,404,094,051.85 and 249,908,173,981.58

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Solution

The fourth proportional to 304,927,780,957.96, 421,404,094,051.85 and 249,908,173,981.58 is: 345,368,097,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,927,780,957.96 : 421,404,094,051.85 = 249,908,173,981.58 : x
  2. Step 2: Convert to fraction form
    304,927,780,957.96/421,404,094,051.85 = 249,908,173,981.58/x
  3. Step 3: Cross multiply
    304,927,780,957.96x = 421,404,094,051.85 × 249,908,173,981.58
  4. Step 4: Simplify right side
    304,927,780,957.96x = 105,312,327,652,859,824,832,512
  5. Step 5: Solve for x
    x = 105,312,327,652,859,824,832,512/304,927,780,957.96
  6. Step 6: Final answer
    x = 345,368,097,724.68

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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.