Home / 18,617,459,389.60-25,692,639,039-10,159,828,309.08

Finding the Fourth Proportional to 18,617,459,389.60, 25,692,639,039 and 10,159,828,309.08

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Solution

The fourth proportional to 18,617,459,389.60, 25,692,639,039 and 10,159,828,309.08 is: 14,020,860,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,459,389.60 : 25,692,639,039 = 10,159,828,309.08 : x
  2. Step 2: Convert to fraction form
    18,617,459,389.60/25,692,639,039 = 10,159,828,309.08/x
  3. Step 3: Cross multiply
    18,617,459,389.60x = 25,692,639,039 × 10,159,828,309.08
  4. Step 4: Simplify right side
    18,617,459,389.60x = 261,032,801,443,406,151,680
  5. Step 5: Solve for x
    x = 261,032,801,443,406,151,680/18,617,459,389.60
  6. Step 6: Final answer
    x = 14,020,860,525.64

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Double scale
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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.