Home / 909,845,749,045.65-1,255,626,602,144.80-503,853,290,354.30

Finding the Fourth Proportional to 909,845,749,045.65, 1,255,626,602,144.80 and 503,853,290,354.30

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Solution

The fourth proportional to 909,845,749,045.65, 1,255,626,602,144.80 and 503,853,290,354.30 is: 695,339,397,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,845,749,045.65 : 1,255,626,602,144.80 = 503,853,290,354.30 : x
  2. Step 2: Convert to fraction form
    909,845,749,045.65/1,255,626,602,144.80 = 503,853,290,354.30/x
  3. Step 3: Cross multiply
    909,845,749,045.65x = 1,255,626,602,144.80 × 503,853,290,354.30
  4. Step 4: Simplify right side
    909,845,749,045.65x = 632,651,594,947,047,085,572,096
  5. Step 5: Solve for x
    x = 632,651,594,947,047,085,572,096/909,845,749,045.65
  6. Step 6: Final answer
    x = 695,339,397,486.49

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.