Home / 549,018,860.40-823,528,290.60-185,507,967.60

Finding the Fourth Proportional to 549,018,860.40, 823,528,290.60 and 185,507,967.60

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Solution

The fourth proportional to 549,018,860.40, 823,528,290.60 and 185,507,967.60 is: 278,261,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,018,860.40 : 823,528,290.60 = 185,507,967.60 : x
  2. Step 2: Convert to fraction form
    549,018,860.40/823,528,290.60 = 185,507,967.60/x
  3. Step 3: Cross multiply
    549,018,860.40x = 823,528,290.60 × 185,507,967.60
  4. Step 4: Simplify right side
    549,018,860.40x = 152,771,059,450,308,192
  5. Step 5: Solve for x
    x = 152,771,059,450,308,192/549,018,860.40
  6. Step 6: Final answer
    x = 278,261,951.40

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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.