Home / 669,710,966.73-924,211,877.88-368,308,189.38

Finding the Fourth Proportional to 669,710,966.73, 924,211,877.88 and 368,308,189.38

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Solution

The fourth proportional to 669,710,966.73, 924,211,877.88 and 368,308,189.38 is: 508,271,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,710,966.73 : 924,211,877.88 = 368,308,189.38 : x
  2. Step 2: Convert to fraction form
    669,710,966.73/924,211,877.88 = 368,308,189.38/x
  3. Step 3: Cross multiply
    669,710,966.73x = 924,211,877.88 × 368,308,189.38
  4. Step 4: Simplify right side
    669,710,966.73x = 340,394,803,350,330,496
  5. Step 5: Solve for x
    x = 340,394,803,350,330,496/669,710,966.73
  6. Step 6: Final answer
    x = 508,271,209.91

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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.