Home / 688,897,326.15-1,033,343,039.99-190,906,418.46

Finding the Fourth Proportional to 688,897,326.15, 1,033,343,039.99 and 190,906,418.46

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Solution

The fourth proportional to 688,897,326.15, 1,033,343,039.99 and 190,906,418.46 is: 286,358,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,897,326.15 : 1,033,343,039.99 = 190,906,418.46 : x
  2. Step 2: Convert to fraction form
    688,897,326.15/1,033,343,039.99 = 190,906,418.46/x
  3. Step 3: Cross multiply
    688,897,326.15x = 1,033,343,039.99 × 190,906,418.46
  4. Step 4: Simplify right side
    688,897,326.15x = 197,271,818,805,536,704
  5. Step 5: Solve for x
    x = 197,271,818,805,536,704/688,897,326.15
  6. Step 6: Final answer
    x = 286,358,810.40

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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.