Home / 379,841,930.12-569,852,445.54-302,411,554.76

Finding the Fourth Proportional to 379,841,930.12, 569,852,445.54 and 302,411,554.76

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Solution

The fourth proportional to 379,841,930.12, 569,852,445.54 and 302,411,554.76 is: 453,688,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,841,930.12 : 569,852,445.54 = 302,411,554.76 : x
  2. Step 2: Convert to fraction form
    379,841,930.12/569,852,445.54 = 302,411,554.76/x
  3. Step 3: Cross multiply
    379,841,930.12x = 569,852,445.54 × 302,411,554.76
  4. Step 4: Simplify right side
    379,841,930.12x = 172,329,964,039,539,616
  5. Step 5: Solve for x
    x = 172,329,964,039,539,616/379,841,930.12
  6. Step 6: Final answer
    x = 453,688,627.75

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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.