Home / 909,845,749,043.40-1,255,626,602,141.80-503,853,290,352

Finding the Fourth Proportional to 909,845,749,043.40, 1,255,626,602,141.80 and 503,853,290,352

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Solution

The fourth proportional to 909,845,749,043.40, 1,255,626,602,141.80 and 503,853,290,352 is: 695,339,397,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,845,749,043.40 : 1,255,626,602,141.80 = 503,853,290,352 : x
  2. Step 2: Convert to fraction form
    909,845,749,043.40/1,255,626,602,141.80 = 503,853,290,352/x
  3. Step 3: Cross multiply
    909,845,749,043.40x = 1,255,626,602,141.80 × 503,853,290,352
  4. Step 4: Simplify right side
    909,845,749,043.40x = 632,651,594,942,647,562,665,984
  5. Step 5: Solve for x
    x = 632,651,594,942,647,562,665,984/909,845,749,043.40
  6. Step 6: Final answer
    x = 695,339,397,483.38

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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.