Home / 1,303,850,058.40-1,955,775,087.60-430,586,207.20

Finding the Fourth Proportional to 1,303,850,058.40, 1,955,775,087.60 and 430,586,207.20

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Solution

The fourth proportional to 1,303,850,058.40, 1,955,775,087.60 and 430,586,207.20 is: 645,879,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,850,058.40 : 1,955,775,087.60 = 430,586,207.20 : x
  2. Step 2: Convert to fraction form
    1,303,850,058.40/1,955,775,087.60 = 430,586,207.20/x
  3. Step 3: Cross multiply
    1,303,850,058.40x = 1,955,775,087.60 × 430,586,207.20
  4. Step 4: Simplify right side
    1,303,850,058.40x = 842,129,777,105,931,648
  5. Step 5: Solve for x
    x = 842,129,777,105,931,648/1,303,850,058.40
  6. Step 6: Final answer
    x = 645,879,310.80

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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.