Home / 639,426,677.06-957,415,495.34-417,548,386.82

Finding the Fourth Proportional to 639,426,677.06, 957,415,495.34 and 417,548,386.82

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Solution

The fourth proportional to 639,426,677.06, 957,415,495.34 and 417,548,386.82 is: 625,196,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,426,677.06 : 957,415,495.34 = 417,548,386.82 : x
  2. Step 2: Convert to fraction form
    639,426,677.06/957,415,495.34 = 417,548,386.82/x
  3. Step 3: Cross multiply
    639,426,677.06x = 957,415,495.34 × 417,548,386.82
  4. Step 4: Simplify right side
    639,426,677.06x = 399,767,295,595,688,256
  5. Step 5: Solve for x
    x = 399,767,295,595,688,256/639,426,677.06
  6. Step 6: Final answer
    x = 625,196,461.05

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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.