Home / 2,985,985,390.80-4,470,915,929.40-2,985,985,390.80

Finding the Fourth Proportional to 2,985,985,390.80, 4,470,915,929.40 and 2,985,985,390.80

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Solution

The fourth proportional to 2,985,985,390.80, 4,470,915,929.40 and 2,985,985,390.80 is: 4,470,915,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,985,390.80 : 4,470,915,929.40 = 2,985,985,390.80 : x
  2. Step 2: Convert to fraction form
    2,985,985,390.80/4,470,915,929.40 = 2,985,985,390.80/x
  3. Step 3: Cross multiply
    2,985,985,390.80x = 4,470,915,929.40 × 2,985,985,390.80
  4. Step 4: Simplify right side
    2,985,985,390.80x = 13,350,089,648,683,403,264
  5. Step 5: Solve for x
    x = 13,350,089,648,683,403,264/2,985,985,390.80
  6. Step 6: Final answer
    x = 4,470,915,929.40

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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.