Home / 615,934,133.25-849,779,851.71-351,426,106.05

Finding the Fourth Proportional to 615,934,133.25, 849,779,851.71 and 351,426,106.05

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Solution

The fourth proportional to 615,934,133.25, 849,779,851.71 and 351,426,106.05 is: 484,848,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,934,133.25 : 849,779,851.71 = 351,426,106.05 : x
  2. Step 2: Convert to fraction form
    615,934,133.25/849,779,851.71 = 351,426,106.05/x
  3. Step 3: Cross multiply
    615,934,133.25x = 849,779,851.71 × 351,426,106.05
  4. Step 4: Simplify right side
    615,934,133.25x = 298,634,824,286,191,744
  5. Step 5: Solve for x
    x = 298,634,824,286,191,744/615,934,133.25
  6. Step 6: Final answer
    x = 484,848,635.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.