Home / 209,852,958,110.40-314,779,437,165.60-205,668,816,829.20

Finding the Fourth Proportional to 209,852,958,110.40, 314,779,437,165.60 and 205,668,816,829.20

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Solution

The fourth proportional to 209,852,958,110.40, 314,779,437,165.60 and 205,668,816,829.20 is: 308,503,225,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,852,958,110.40 : 314,779,437,165.60 = 205,668,816,829.20 : x
  2. Step 2: Convert to fraction form
    209,852,958,110.40/314,779,437,165.60 = 205,668,816,829.20/x
  3. Step 3: Cross multiply
    209,852,958,110.40x = 314,779,437,165.60 × 205,668,816,829.20
  4. Step 4: Simplify right side
    209,852,958,110.40x = 64,740,314,404,010,460,184,576
  5. Step 5: Solve for x
    x = 64,740,314,404,010,460,184,576/209,852,958,110.40
  6. Step 6: Final answer
    x = 308,503,225,243.80

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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.