Home / 910,729,400.04-1,256,806,768.68-493,045,117.56

Finding the Fourth Proportional to 910,729,400.04, 1,256,806,768.68 and 493,045,117.56

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Solution

The fourth proportional to 910,729,400.04, 1,256,806,768.68 and 493,045,117.56 is: 680,402,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,729,400.04 : 1,256,806,768.68 = 493,045,117.56 : x
  2. Step 2: Convert to fraction form
    910,729,400.04/1,256,806,768.68 = 493,045,117.56/x
  3. Step 3: Cross multiply
    910,729,400.04x = 1,256,806,768.68 × 493,045,117.56
  4. Step 4: Simplify right side
    910,729,400.04x = 619,662,441,014,034,304
  5. Step 5: Solve for x
    x = 619,662,441,014,034,304/910,729,400.04
  6. Step 6: Final answer
    x = 680,402,368.68

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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.