Home / 1,262,358,871.52-1,742,057,602.88-705,441,919.20

Finding the Fourth Proportional to 1,262,358,871.52, 1,742,057,602.88 and 705,441,919.20

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Solution

The fourth proportional to 1,262,358,871.52, 1,742,057,602.88 and 705,441,919.20 is: 973,511,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,358,871.52 : 1,742,057,602.88 = 705,441,919.20 : x
  2. Step 2: Convert to fraction form
    1,262,358,871.52/1,742,057,602.88 = 705,441,919.20/x
  3. Step 3: Cross multiply
    1,262,358,871.52x = 1,742,057,602.88 × 705,441,919.20
  4. Step 4: Simplify right side
    1,262,358,871.52x = 1,228,920,458,732,618,752
  5. Step 5: Solve for x
    x = 1,228,920,458,732,618,752/1,262,358,871.52
  6. Step 6: Final answer
    x = 973,511,167.43

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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.