Home / 1,257,139,693,290.10-1,885,709,537,804.30-302,078,289,530.85

Finding the Fourth Proportional to 1,257,139,693,290.10, 1,885,709,537,804.30 and 302,078,289,530.85

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Solution

The fourth proportional to 1,257,139,693,290.10, 1,885,709,537,804.30 and 302,078,289,530.85 is: 453,117,433,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,139,693,290.10 : 1,885,709,537,804.30 = 302,078,289,530.85 : x
  2. Step 2: Convert to fraction form
    1,257,139,693,290.10/1,885,709,537,804.30 = 302,078,289,530.85/x
  3. Step 3: Cross multiply
    1,257,139,693,290.10x = 1,885,709,537,804.30 × 302,078,289,530.85
  4. Step 4: Simplify right side
    1,257,139,693,290.10x = 569,631,911,731,932,631,662,592
  5. Step 5: Solve for x
    x = 569,631,911,731,932,631,662,592/1,257,139,693,290.10
  6. Step 6: Final answer
    x = 453,117,433,784.25

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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.