Home / 7,144,806,570.63-9,859,841,256.38-3,972,922,386.63

Finding the Fourth Proportional to 7,144,806,570.63, 9,859,841,256.38 and 3,972,922,386.63

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Solution

The fourth proportional to 7,144,806,570.63, 9,859,841,256.38 and 3,972,922,386.63 is: 5,482,637,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,806,570.63 : 9,859,841,256.38 = 3,972,922,386.63 : x
  2. Step 2: Convert to fraction form
    7,144,806,570.63/9,859,841,256.38 = 3,972,922,386.63/x
  3. Step 3: Cross multiply
    7,144,806,570.63x = 9,859,841,256.38 × 3,972,922,386.63
  4. Step 4: Simplify right side
    7,144,806,570.63x = 39,172,384,056,070,307,840
  5. Step 5: Solve for x
    x = 39,172,384,056,070,307,840/7,144,806,570.63
  6. Step 6: Final answer
    x = 5,482,637,447.05

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Double scale
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1.5x scale

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.