Home / 699,159,662,316.24-964,830,065,818.50-390,515,525,590.29

Finding the Fourth Proportional to 699,159,662,316.24, 964,830,065,818.50 and 390,515,525,590.29

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Solution

The fourth proportional to 699,159,662,316.24, 964,830,065,818.50 and 390,515,525,590.29 is: 538,905,690,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,159,662,316.24 : 964,830,065,818.50 = 390,515,525,590.29 : x
  2. Step 2: Convert to fraction form
    699,159,662,316.24/964,830,065,818.50 = 390,515,525,590.29/x
  3. Step 3: Cross multiply
    699,159,662,316.24x = 964,830,065,818.50 × 390,515,525,590.29
  4. Step 4: Simplify right side
    699,159,662,316.24x = 376,781,120,258,425,629,966,336
  5. Step 5: Solve for x
    x = 376,781,120,258,425,629,966,336/699,159,662,316.24
  6. Step 6: Final answer
    x = 538,905,690,025.35

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Double scale
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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.