Home / 1,257,139,693,280.50-1,885,709,537,789.40-302,078,289,521.13

Finding the Fourth Proportional to 1,257,139,693,280.50, 1,885,709,537,789.40 and 302,078,289,521.13

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Solution

The fourth proportional to 1,257,139,693,280.50, 1,885,709,537,789.40 and 302,078,289,521.13 is: 453,117,433,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,139,693,280.50 : 1,885,709,537,789.40 = 302,078,289,521.13 : x
  2. Step 2: Convert to fraction form
    1,257,139,693,280.50/1,885,709,537,789.40 = 302,078,289,521.13/x
  3. Step 3: Cross multiply
    1,257,139,693,280.50x = 1,885,709,537,789.40 × 302,078,289,521.13
  4. Step 4: Simplify right side
    1,257,139,693,280.50x = 569,631,911,709,102,598,782,976
  5. Step 5: Solve for x
    x = 569,631,911,709,102,598,782,976/1,257,139,693,280.50
  6. Step 6: Final answer
    x = 453,117,433,769.55

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Double scale
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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.