Home / 1,214,421,958.32-1,675,881,980.28-657,500,483.76

Finding the Fourth Proportional to 1,214,421,958.32, 1,675,881,980.28 and 657,500,483.76

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Solution

The fourth proportional to 1,214,421,958.32, 1,675,881,980.28 and 657,500,483.76 is: 907,339,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,421,958.32 : 1,675,881,980.28 = 657,500,483.76 : x
  2. Step 2: Convert to fraction form
    1,214,421,958.32/1,675,881,980.28 = 657,500,483.76/x
  3. Step 3: Cross multiply
    1,214,421,958.32x = 1,675,881,980.28 × 657,500,483.76
  4. Step 4: Simplify right side
    1,214,421,958.32x = 1,101,893,212,758,766,720
  5. Step 5: Solve for x
    x = 1,101,893,212,758,766,720/1,214,421,958.32
  6. Step 6: Final answer
    x = 907,339,664.94

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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.