Home / 21,580,629,524.19-29,779,756,894.08-12,547,746,788.58

Finding the Fourth Proportional to 21,580,629,524.19, 29,779,756,894.08 and 12,547,746,788.58

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Solution

The fourth proportional to 21,580,629,524.19, 29,779,756,894.08 and 12,547,746,788.58 is: 17,315,011,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,629,524.19 : 29,779,756,894.08 = 12,547,746,788.58 : x
  2. Step 2: Convert to fraction form
    21,580,629,524.19/29,779,756,894.08 = 12,547,746,788.58/x
  3. Step 3: Cross multiply
    21,580,629,524.19x = 29,779,756,894.08 × 12,547,746,788.58
  4. Step 4: Simplify right side
    21,580,629,524.19x = 373,668,848,932,385,456,128
  5. Step 5: Solve for x
    x = 373,668,848,932,385,456,128/21,580,629,524.19
  6. Step 6: Final answer
    x = 17,315,011,525.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.