Home / 656,123,160,207.65-989,102,518,071.70-612,385,808,377.65

Finding the Fourth Proportional to 656,123,160,207.65, 989,102,518,071.70 and 612,385,808,377.65

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Solution

The fourth proportional to 656,123,160,207.65, 989,102,518,071.70 and 612,385,808,377.65 is: 923,168,669,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,123,160,207.65 : 989,102,518,071.70 = 612,385,808,377.65 : x
  2. Step 2: Convert to fraction form
    656,123,160,207.65/989,102,518,071.70 = 612,385,808,377.65/x
  3. Step 3: Cross multiply
    656,123,160,207.65x = 989,102,518,071.70 × 612,385,808,377.65
  4. Step 4: Simplify right side
    656,123,160,207.65x = 605,712,345,097,707,188,125,696
  5. Step 5: Solve for x
    x = 605,712,345,097,707,188,125,696/656,123,160,207.65
  6. Step 6: Final answer
    x = 923,168,669,897.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.