Home / 3,742,688,435.63-5,164,705,421.60-2,048,815,398.80

Finding the Fourth Proportional to 3,742,688,435.63, 5,164,705,421.60 and 2,048,815,398.80

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Solution

The fourth proportional to 3,742,688,435.63, 5,164,705,421.60 and 2,048,815,398.80 is: 2,827,253,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,688,435.63 : 5,164,705,421.60 = 2,048,815,398.80 : x
  2. Step 2: Convert to fraction form
    3,742,688,435.63/5,164,705,421.60 = 2,048,815,398.80/x
  3. Step 3: Cross multiply
    3,742,688,435.63x = 5,164,705,421.60 × 2,048,815,398.80
  4. Step 4: Simplify right side
    3,742,688,435.63x = 10,581,527,998,039,926,784
  5. Step 5: Solve for x
    x = 10,581,527,998,039,926,784/3,742,688,435.63
  6. Step 6: Final answer
    x = 2,827,253,237.89

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Double scale
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1.5x scale

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.