Home / 12,780,256,080.06-17,636,415,075.12-7,141,518,266.58

Finding the Fourth Proportional to 12,780,256,080.06, 17,636,415,075.12 and 7,141,518,266.58

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Solution

The fourth proportional to 12,780,256,080.06, 17,636,415,075.12 and 7,141,518,266.58 is: 9,855,106,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,256,080.06 : 17,636,415,075.12 = 7,141,518,266.58 : x
  2. Step 2: Convert to fraction form
    12,780,256,080.06/17,636,415,075.12 = 7,141,518,266.58/x
  3. Step 3: Cross multiply
    12,780,256,080.06x = 17,636,415,075.12 × 7,141,518,266.58
  4. Step 4: Simplify right side
    12,780,256,080.06x = 125,950,780,415,956,353,024
  5. Step 5: Solve for x
    x = 125,950,780,415,956,353,024/12,780,256,080.06
  6. Step 6: Final answer
    x = 9,855,106,159.61

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1.5x scale

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.