Home / 1,742,888,355.47-2,405,271,018.66-980,172,425.30

Finding the Fourth Proportional to 1,742,888,355.47, 2,405,271,018.66 and 980,172,425.30

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Solution

The fourth proportional to 1,742,888,355.47, 2,405,271,018.66 and 980,172,425.30 is: 1,352,685,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,888,355.47 : 2,405,271,018.66 = 980,172,425.30 : x
  2. Step 2: Convert to fraction form
    1,742,888,355.47/2,405,271,018.66 = 980,172,425.30/x
  3. Step 3: Cross multiply
    1,742,888,355.47x = 2,405,271,018.66 × 980,172,425.30
  4. Step 4: Simplify right side
    1,742,888,355.47x = 2,357,580,327,863,773,696
  5. Step 5: Solve for x
    x = 2,357,580,327,863,773,696/1,742,888,355.47
  6. Step 6: Final answer
    x = 1,352,685,799.10

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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.