Home / 18,617,459,423.12-25,692,639,085.20-10,159,828,342.59

Finding the Fourth Proportional to 18,617,459,423.12, 25,692,639,085.20 and 10,159,828,342.59

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Solution

The fourth proportional to 18,617,459,423.12, 25,692,639,085.20 and 10,159,828,342.59 is: 14,020,860,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,459,423.12 : 25,692,639,085.20 = 10,159,828,342.59 : x
  2. Step 2: Convert to fraction form
    18,617,459,423.12/25,692,639,085.20 = 10,159,828,342.59/x
  3. Step 3: Cross multiply
    18,617,459,423.12x = 25,692,639,085.20 × 10,159,828,342.59
  4. Step 4: Simplify right side
    18,617,459,423.12x = 261,032,802,773,750,579,200
  5. Step 5: Solve for x
    x = 261,032,802,773,750,579,200/18,617,459,423.12
  6. Step 6: Final answer
    x = 14,020,860,571.86

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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.