Home / 1,309,482,220.54-1,806,815,703.54-752,457,650.80

Finding the Fourth Proportional to 1,309,482,220.54, 1,806,815,703.54 and 752,457,650.80

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Solution

The fourth proportional to 1,309,482,220.54, 1,806,815,703.54 and 752,457,650.80 is: 1,038,236,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,482,220.54 : 1,806,815,703.54 = 752,457,650.80 : x
  2. Step 2: Convert to fraction form
    1,309,482,220.54/1,806,815,703.54 = 752,457,650.80/x
  3. Step 3: Cross multiply
    1,309,482,220.54x = 1,806,815,703.54 × 752,457,650.80
  4. Step 4: Simplify right side
    1,309,482,220.54x = 1,359,552,299,714,257,408
  5. Step 5: Solve for x
    x = 1,359,552,299,714,257,408/1,309,482,220.54
  6. Step 6: Final answer
    x = 1,038,236,547.54

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Half scale
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Double scale
Find fourth proportional to 1,309,482,221.54, 1,806,815,704.92 and 752,457,651.80
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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.