Home / 761,245,205.40-1,141,867,808.10-243,692,530.20

Finding the Fourth Proportional to 761,245,205.40, 1,141,867,808.10 and 243,692,530.20

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Solution

The fourth proportional to 761,245,205.40, 1,141,867,808.10 and 243,692,530.20 is: 365,538,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,245,205.40 : 1,141,867,808.10 = 243,692,530.20 : x
  2. Step 2: Convert to fraction form
    761,245,205.40/1,141,867,808.10 = 243,692,530.20/x
  3. Step 3: Cross multiply
    761,245,205.40x = 1,141,867,808.10 × 243,692,530.20
  4. Step 4: Simplify right side
    761,245,205.40x = 278,264,655,309,817,024
  5. Step 5: Solve for x
    x = 278,264,655,309,817,024/761,245,205.40
  6. Step 6: Final answer
    x = 365,538,795.30

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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.