Home / 983,666,730.40-1,475,500,095.60-256,655,442.40

Finding the Fourth Proportional to 983,666,730.40, 1,475,500,095.60 and 256,655,442.40

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Solution

The fourth proportional to 983,666,730.40, 1,475,500,095.60 and 256,655,442.40 is: 384,983,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,666,730.40 : 1,475,500,095.60 = 256,655,442.40 : x
  2. Step 2: Convert to fraction form
    983,666,730.40/1,475,500,095.60 = 256,655,442.40/x
  3. Step 3: Cross multiply
    983,666,730.40x = 1,475,500,095.60 × 256,655,442.40
  4. Step 4: Simplify right side
    983,666,730.40x = 378,695,129,797,460,288
  5. Step 5: Solve for x
    x = 378,695,129,797,460,288/983,666,730.40
  6. Step 6: Final answer
    x = 384,983,163.60

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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.