Home / 1,297,807,068.65-1,946,710,625.52-315,226,987.08

Finding the Fourth Proportional to 1,297,807,068.65, 1,946,710,625.52 and 315,226,987.08

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Solution

The fourth proportional to 1,297,807,068.65, 1,946,710,625.52 and 315,226,987.08 is: 472,840,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,807,068.65 : 1,946,710,625.52 = 315,226,987.08 : x
  2. Step 2: Convert to fraction form
    1,297,807,068.65/1,946,710,625.52 = 315,226,987.08/x
  3. Step 3: Cross multiply
    1,297,807,068.65x = 1,946,710,625.52 × 315,226,987.08
  4. Step 4: Simplify right side
    1,297,807,068.65x = 613,655,725,200,458,112
  5. Step 5: Solve for x
    x = 613,655,725,200,458,112/1,297,807,068.65
  6. Step 6: Final answer
    x = 472,840,486.10

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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.