Home / 347,736,646.40-521,604,969.60-342,634,812.80

Finding the Fourth Proportional to 347,736,646.40, 521,604,969.60 and 342,634,812.80

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Solution

The fourth proportional to 347,736,646.40, 521,604,969.60 and 342,634,812.80 is: 513,952,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,646.40 : 521,604,969.60 = 342,634,812.80 : x
  2. Step 2: Convert to fraction form
    347,736,646.40/521,604,969.60 = 342,634,812.80/x
  3. Step 3: Cross multiply
    347,736,646.40x = 521,604,969.60 × 342,634,812.80
  4. Step 4: Simplify right side
    347,736,646.40x = 178,720,021,114,445,696
  5. Step 5: Solve for x
    x = 178,720,021,114,445,696/347,736,646.40
  6. Step 6: Final answer
    x = 513,952,219.20

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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.