Home / 1,470,360,637.40-2,205,540,956.10-1,288,962,109.40

Finding the Fourth Proportional to 1,470,360,637.40, 2,205,540,956.10 and 1,288,962,109.40

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Solution

The fourth proportional to 1,470,360,637.40, 2,205,540,956.10 and 1,288,962,109.40 is: 1,933,443,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,360,637.40 : 2,205,540,956.10 = 1,288,962,109.40 : x
  2. Step 2: Convert to fraction form
    1,470,360,637.40/2,205,540,956.10 = 1,288,962,109.40/x
  3. Step 3: Cross multiply
    1,470,360,637.40x = 2,205,540,956.10 × 1,288,962,109.40
  4. Step 4: Simplify right side
    1,470,360,637.40x = 2,842,858,723,142,748,672
  5. Step 5: Solve for x
    x = 2,842,858,723,142,748,672/1,470,360,637.40
  6. Step 6: Final answer
    x = 1,933,443,164.10

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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.