Home / 1,490,402,302.91-2,056,706,936.25-855,427,312.34

Finding the Fourth Proportional to 1,490,402,302.91, 2,056,706,936.25 and 855,427,312.34

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Solution

The fourth proportional to 1,490,402,302.91, 2,056,706,936.25 and 855,427,312.34 is: 1,180,462,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,402,302.91 : 2,056,706,936.25 = 855,427,312.34 : x
  2. Step 2: Convert to fraction form
    1,490,402,302.91/2,056,706,936.25 = 855,427,312.34/x
  3. Step 3: Cross multiply
    1,490,402,302.91x = 2,056,706,936.25 × 855,427,312.34
  4. Step 4: Simplify right side
    1,490,402,302.91x = 1,759,363,286,747,373,312
  5. Step 5: Solve for x
    x = 1,759,363,286,747,373,312/1,490,402,302.91
  6. Step 6: Final answer
    x = 1,180,462,002.31

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Double scale
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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.