Home / 12,870,203,514.78-19,304,779,821.93-4,478,029,957.02

Finding the Fourth Proportional to 12,870,203,514.78, 19,304,779,821.93 and 4,478,029,957.02

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Solution

The fourth proportional to 12,870,203,514.78, 19,304,779,821.93 and 4,478,029,957.02 is: 6,716,862,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870,203,514.78 : 19,304,779,821.93 = 4,478,029,957.02 : x
  2. Step 2: Convert to fraction form
    12,870,203,514.78/19,304,779,821.93 = 4,478,029,957.02/x
  3. Step 3: Cross multiply
    12,870,203,514.78x = 19,304,779,821.93 × 4,478,029,957.02
  4. Step 4: Simplify right side
    12,870,203,514.78x = 86,447,382,356,277,772,288
  5. Step 5: Solve for x
    x = 86,447,382,356,277,772,288/12,870,203,514.78
  6. Step 6: Final answer
    x = 6,716,862,111.54

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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.