Home / 1,214,421,960.32-1,675,881,983.04-657,500,485.76

Finding the Fourth Proportional to 1,214,421,960.32, 1,675,881,983.04 and 657,500,485.76

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Solution

The fourth proportional to 1,214,421,960.32, 1,675,881,983.04 and 657,500,485.76 is: 907,339,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,421,960.32 : 1,675,881,983.04 = 657,500,485.76 : x
  2. Step 2: Convert to fraction form
    1,214,421,960.32/1,675,881,983.04 = 657,500,485.76/x
  3. Step 3: Cross multiply
    1,214,421,960.32x = 1,675,881,983.04 × 657,500,485.76
  4. Step 4: Simplify right side
    1,214,421,960.32x = 1,101,893,217,925,232,000
  5. Step 5: Solve for x
    x = 1,101,893,217,925,232,000/1,214,421,960.32
  6. Step 6: Final answer
    x = 907,339,667.70

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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.