Home / 830,155,863.04-1,145,615,342.08-453,814,087.68

Finding the Fourth Proportional to 830,155,863.04, 1,145,615,342.08 and 453,814,087.68

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Solution

The fourth proportional to 830,155,863.04, 1,145,615,342.08 and 453,814,087.68 is: 626,263,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,155,863.04 : 1,145,615,342.08 = 453,814,087.68 : x
  2. Step 2: Convert to fraction form
    830,155,863.04/1,145,615,342.08 = 453,814,087.68/x
  3. Step 3: Cross multiply
    830,155,863.04x = 1,145,615,342.08 × 453,814,087.68
  4. Step 4: Simplify right side
    830,155,863.04x = 519,896,381,298,246,272
  5. Step 5: Solve for x
    x = 519,896,381,298,246,272/830,155,863.04
  6. Step 6: Final answer
    x = 626,263,578.26

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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.