Home / 1,078,301,088.60-1,617,451,632.90-432,532,282.20

Finding the Fourth Proportional to 1,078,301,088.60, 1,617,451,632.90 and 432,532,282.20

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Solution

The fourth proportional to 1,078,301,088.60, 1,617,451,632.90 and 432,532,282.20 is: 648,798,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,301,088.60 : 1,617,451,632.90 = 432,532,282.20 : x
  2. Step 2: Convert to fraction form
    1,078,301,088.60/1,617,451,632.90 = 432,532,282.20/x
  3. Step 3: Cross multiply
    1,078,301,088.60x = 1,617,451,632.90 × 432,532,282.20
  4. Step 4: Simplify right side
    1,078,301,088.60x = 699,600,046,126,353,664
  5. Step 5: Solve for x
    x = 699,600,046,126,353,664/1,078,301,088.60
  6. Step 6: Final answer
    x = 648,798,423.30

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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.