Home / 607,823,557-911,511,993.90-208,868,985.40

Finding the Fourth Proportional to 607,823,557, 911,511,993.90 and 208,868,985.40

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Solution

The fourth proportional to 607,823,557, 911,511,993.90 and 208,868,985.40 is: 313,226,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,823,557 : 911,511,993.90 = 208,868,985.40 : x
  2. Step 2: Convert to fraction form
    607,823,557/911,511,993.90 = 208,868,985.40/x
  3. Step 3: Cross multiply
    607,823,557x = 911,511,993.90 × 208,868,985.40
  4. Step 4: Simplify right side
    607,823,557x = 190,386,585,345,824,000
  5. Step 5: Solve for x
    x = 190,386,585,345,824,000/607,823,557
  6. Step 6: Final answer
    x = 313,226,730.28

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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.