Home / 426,400,365.14-637,754,121.93-251,105,547.79

Finding the Fourth Proportional to 426,400,365.14, 637,754,121.93 and 251,105,547.79

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Solution

The fourth proportional to 426,400,365.14, 637,754,121.93 and 251,105,547.79 is: 375,570,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,400,365.14 : 637,754,121.93 = 251,105,547.79 : x
  2. Step 2: Convert to fraction form
    426,400,365.14/637,754,121.93 = 251,105,547.79/x
  3. Step 3: Cross multiply
    426,400,365.14x = 637,754,121.93 × 251,105,547.79
  4. Step 4: Simplify right side
    426,400,365.14x = 160,143,598,142,888,224
  5. Step 5: Solve for x
    x = 160,143,598,142,888,224/426,400,365.14
  6. Step 6: Final answer
    x = 375,570,968.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.