Home / 551,154,383.10-826,731,574.65-538,399,799.10

Finding the Fourth Proportional to 551,154,383.10, 826,731,574.65 and 538,399,799.10

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Solution

The fourth proportional to 551,154,383.10, 826,731,574.65 and 538,399,799.10 is: 807,599,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,154,383.10 : 826,731,574.65 = 538,399,799.10 : x
  2. Step 2: Convert to fraction form
    551,154,383.10/826,731,574.65 = 538,399,799.10/x
  3. Step 3: Cross multiply
    551,154,383.10x = 826,731,574.65 × 538,399,799.10
  4. Step 4: Simplify right side
    551,154,383.10x = 445,112,113,701,186,688
  5. Step 5: Solve for x
    x = 445,112,113,701,186,688/551,154,383.10
  6. Step 6: Final answer
    x = 807,599,698.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 551,154,384.10, 826,731,576.15 and 538,399,800.10
Similar ratio
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1.5x scale

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.