Home / 699,521,539.30-1,049,282,308.95-290,367,081.70

Finding the Fourth Proportional to 699,521,539.30, 1,049,282,308.95 and 290,367,081.70

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Solution

The fourth proportional to 699,521,539.30, 1,049,282,308.95 and 290,367,081.70 is: 435,550,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,521,539.30 : 1,049,282,308.95 = 290,367,081.70 : x
  2. Step 2: Convert to fraction form
    699,521,539.30/1,049,282,308.95 = 290,367,081.70/x
  3. Step 3: Cross multiply
    699,521,539.30x = 1,049,282,308.95 × 290,367,081.70
  4. Step 4: Simplify right side
    699,521,539.30x = 304,677,041,929,249,280
  5. Step 5: Solve for x
    x = 304,677,041,929,249,280/699,521,539.30
  6. Step 6: Final answer
    x = 435,550,622.55

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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.