Home / 426,909,462,284.22-640,341,640,193.35-140,029,729,925.65

Finding the Fourth Proportional to 426,909,462,284.22, 640,341,640,193.35 and 140,029,729,925.65

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Solution

The fourth proportional to 426,909,462,284.22, 640,341,640,193.35 and 140,029,729,925.65 is: 210,037,197,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,909,462,284.22 : 640,341,640,193.35 = 140,029,729,925.65 : x
  2. Step 2: Convert to fraction form
    426,909,462,284.22/640,341,640,193.35 = 140,029,729,925.65/x
  3. Step 3: Cross multiply
    426,909,462,284.22x = 640,341,640,193.35 × 140,029,729,925.65
  4. Step 4: Simplify right side
    426,909,462,284.22x = 89,666,866,936,422,537,887,744
  5. Step 5: Solve for x
    x = 89,666,866,936,422,537,887,744/426,909,462,284.22
  6. Step 6: Final answer
    x = 210,037,197,247.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.