Home / 1,538,323,341.48-2,122,112,198.70-1,009,613,948.22

Finding the Fourth Proportional to 1,538,323,341.48, 2,122,112,198.70 and 1,009,613,948.22

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Solution

The fourth proportional to 1,538,323,341.48, 2,122,112,198.70 and 1,009,613,948.22 is: 1,392,759,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,323,341.48 : 2,122,112,198.70 = 1,009,613,948.22 : x
  2. Step 2: Convert to fraction form
    1,538,323,341.48/2,122,112,198.70 = 1,009,613,948.22/x
  3. Step 3: Cross multiply
    1,538,323,341.48x = 2,122,112,198.70 × 1,009,613,948.22
  4. Step 4: Simplify right side
    1,538,323,341.48x = 2,142,514,075,495,332,352
  5. Step 5: Solve for x
    x = 2,142,514,075,495,332,352/1,538,323,341.48
  6. Step 6: Final answer
    x = 1,392,759,257.90

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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.