Home / 1,447,610,421.60-2,171,415,632.40-835,390,389.60

Finding the Fourth Proportional to 1,447,610,421.60, 2,171,415,632.40 and 835,390,389.60

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Solution

The fourth proportional to 1,447,610,421.60, 2,171,415,632.40 and 835,390,389.60 is: 1,253,085,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,610,421.60 : 2,171,415,632.40 = 835,390,389.60 : x
  2. Step 2: Convert to fraction form
    1,447,610,421.60/2,171,415,632.40 = 835,390,389.60/x
  3. Step 3: Cross multiply
    1,447,610,421.60x = 2,171,415,632.40 × 835,390,389.60
  4. Step 4: Simplify right side
    1,447,610,421.60x = 1,813,979,751,134,166,528
  5. Step 5: Solve for x
    x = 1,813,979,751,134,166,528/1,447,610,421.60
  6. Step 6: Final answer
    x = 1,253,085,584.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.