Home / 1,742,888,353.47-2,405,271,015.90-980,172,423.30

Finding the Fourth Proportional to 1,742,888,353.47, 2,405,271,015.90 and 980,172,423.30

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Solution

The fourth proportional to 1,742,888,353.47, 2,405,271,015.90 and 980,172,423.30 is: 1,352,685,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,888,353.47 : 2,405,271,015.90 = 980,172,423.30 : x
  2. Step 2: Convert to fraction form
    1,742,888,353.47/2,405,271,015.90 = 980,172,423.30/x
  3. Step 3: Cross multiply
    1,742,888,353.47x = 2,405,271,015.90 × 980,172,423.30
  4. Step 4: Simplify right side
    1,742,888,353.47x = 2,357,580,320,347,955,712
  5. Step 5: Solve for x
    x = 2,357,580,320,347,955,712/1,742,888,353.47
  6. Step 6: Final answer
    x = 1,352,685,796.34

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1.5x scale

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.