Home / 249,326,328.30-373,989,492.45-206,859,000.30

Finding the Fourth Proportional to 249,326,328.30, 373,989,492.45 and 206,859,000.30

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Solution

The fourth proportional to 249,326,328.30, 373,989,492.45 and 206,859,000.30 is: 310,288,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,326,328.30 : 373,989,492.45 = 206,859,000.30 : x
  2. Step 2: Convert to fraction form
    249,326,328.30/373,989,492.45 = 206,859,000.30/x
  3. Step 3: Cross multiply
    249,326,328.30x = 373,989,492.45 × 206,859,000.30
  4. Step 4: Simplify right side
    249,326,328.30x = 77,363,092,530,911,392
  5. Step 5: Solve for x
    x = 77,363,092,530,911,392/249,326,328.30
  6. Step 6: Final answer
    x = 310,288,500.45

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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.