Home / 623,117,011.51-859,921,986.02-340,852,992.89

Finding the Fourth Proportional to 623,117,011.51, 859,921,986.02 and 340,852,992.89

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Solution

The fourth proportional to 623,117,011.51, 859,921,986.02 and 340,852,992.89 is: 470,388,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,117,011.51 : 859,921,986.02 = 340,852,992.89 : x
  2. Step 2: Convert to fraction form
    623,117,011.51/859,921,986.02 = 340,852,992.89/x
  3. Step 3: Cross multiply
    623,117,011.51x = 859,921,986.02 × 340,852,992.89
  4. Step 4: Simplify right side
    623,117,011.51x = 293,106,982,580,825,856
  5. Step 5: Solve for x
    x = 293,106,982,580,825,856/623,117,011.51
  6. Step 6: Final answer
    x = 470,388,349.49

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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.