Home / 1,345,896,998.70-2,018,845,498.05-620,302,886.70

Finding the Fourth Proportional to 1,345,896,998.70, 2,018,845,498.05 and 620,302,886.70

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Solution

The fourth proportional to 1,345,896,998.70, 2,018,845,498.05 and 620,302,886.70 is: 930,454,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,896,998.70 : 2,018,845,498.05 = 620,302,886.70 : x
  2. Step 2: Convert to fraction form
    1,345,896,998.70/2,018,845,498.05 = 620,302,886.70/x
  3. Step 3: Cross multiply
    1,345,896,998.70x = 2,018,845,498.05 × 620,302,886.70
  4. Step 4: Simplify right side
    1,345,896,998.70x = 1,252,295,690,241,714,176
  5. Step 5: Solve for x
    x = 1,252,295,690,241,714,176/1,345,896,998.70
  6. Step 6: Final answer
    x = 930,454,330.05

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Double scale
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Similar ratio
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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.