Home / 1,411,130,358.72-1,947,308,931.81-776,045,372.94

Finding the Fourth Proportional to 1,411,130,358.72, 1,947,308,931.81 and 776,045,372.94

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Solution

The fourth proportional to 1,411,130,358.72, 1,947,308,931.81 and 776,045,372.94 is: 1,070,914,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,130,358.72 : 1,947,308,931.81 = 776,045,372.94 : x
  2. Step 2: Convert to fraction form
    1,411,130,358.72/1,947,308,931.81 = 776,045,372.94/x
  3. Step 3: Cross multiply
    1,411,130,358.72x = 1,947,308,931.81 × 776,045,372.94
  4. Step 4: Simplify right side
    1,411,130,358.72x = 1,511,200,086,215,884,544
  5. Step 5: Solve for x
    x = 1,511,200,086,215,884,544/1,411,130,358.72
  6. Step 6: Final answer
    x = 1,070,914,587.64

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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.