Home / 1,099,696,543.20-1,649,544,814.80-409,460,972.40

Finding the Fourth Proportional to 1,099,696,543.20, 1,649,544,814.80 and 409,460,972.40

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Solution

The fourth proportional to 1,099,696,543.20, 1,649,544,814.80 and 409,460,972.40 is: 614,191,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,696,543.20 : 1,649,544,814.80 = 409,460,972.40 : x
  2. Step 2: Convert to fraction form
    1,099,696,543.20/1,649,544,814.80 = 409,460,972.40/x
  3. Step 3: Cross multiply
    1,099,696,543.20x = 1,649,544,814.80 × 409,460,972.40
  4. Step 4: Simplify right side
    1,099,696,543.20x = 675,424,223,885,385,856
  5. Step 5: Solve for x
    x = 675,424,223,885,385,856/1,099,696,543.20
  6. Step 6: Final answer
    x = 614,191,458.60

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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.