Home / 1,270,263,885.57-1,905,184,491.03-384,738,707.70

Finding the Fourth Proportional to 1,270,263,885.57, 1,905,184,491.03 and 384,738,707.70

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Solution

The fourth proportional to 1,270,263,885.57, 1,905,184,491.03 and 384,738,707.70 is: 577,044,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,263,885.57 : 1,905,184,491.03 = 384,738,707.70 : x
  2. Step 2: Convert to fraction form
    1,270,263,885.57/1,905,184,491.03 = 384,738,707.70/x
  3. Step 3: Cross multiply
    1,270,263,885.57x = 1,905,184,491.03 × 384,738,707.70
  4. Step 4: Simplify right side
    1,270,263,885.57x = 732,998,219,008,964,352
  5. Step 5: Solve for x
    x = 732,998,219,008,964,352/1,270,263,885.57
  6. Step 6: Final answer
    x = 577,044,051.50

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Double scale
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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.