Home / 18,686,360,537.16-25,787,338,328.29-10,658,107,555.08

Finding the Fourth Proportional to 18,686,360,537.16, 25,787,338,328.29 and 10,658,107,555.08

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Solution

The fourth proportional to 18,686,360,537.16, 25,787,338,328.29 and 10,658,107,555.08 is: 14,708,280,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,360,537.16 : 25,787,338,328.29 = 10,658,107,555.08 : x
  2. Step 2: Convert to fraction form
    18,686,360,537.16/25,787,338,328.29 = 10,658,107,555.08/x
  3. Step 3: Cross multiply
    18,686,360,537.16x = 25,787,338,328.29 × 10,658,107,555.08
  4. Step 4: Simplify right side
    18,686,360,537.16x = 274,844,225,462,151,708,672
  5. Step 5: Solve for x
    x = 274,844,225,462,151,708,672/18,686,360,537.16
  6. Step 6: Final answer
    x = 14,708,280,133.82

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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.