Home / 626,440,698.59-939,655,064.00-380,865,134.30

Finding the Fourth Proportional to 626,440,698.59, 939,655,064.00 and 380,865,134.30

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Solution

The fourth proportional to 626,440,698.59, 939,655,064.00 and 380,865,134.30 is: 571,294,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,440,698.59 : 939,655,064.00 = 380,865,134.30 : x
  2. Step 2: Convert to fraction form
    626,440,698.59/939,655,064.00 = 380,865,134.30/x
  3. Step 3: Cross multiply
    626,440,698.59x = 939,655,064.00 × 380,865,134.30
  4. Step 4: Simplify right side
    626,440,698.59x = 357,881,852,142,289,024
  5. Step 5: Solve for x
    x = 357,881,852,142,289,024/626,440,698.59
  6. Step 6: Final answer
    x = 571,294,063.35

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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.