Home / 1,127,190,578.08-1,555,534,264.08-632,142,654.88

Finding the Fourth Proportional to 1,127,190,578.08, 1,555,534,264.08 and 632,142,654.88

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Solution

The fourth proportional to 1,127,190,578.08, 1,555,534,264.08 and 632,142,654.88 is: 872,363,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,190,578.08 : 1,555,534,264.08 = 632,142,654.88 : x
  2. Step 2: Convert to fraction form
    1,127,190,578.08/1,555,534,264.08 = 632,142,654.88/x
  3. Step 3: Cross multiply
    1,127,190,578.08x = 1,555,534,264.08 × 632,142,654.88
  4. Step 4: Simplify right side
    1,127,190,578.08x = 983,319,559,452,338,176
  5. Step 5: Solve for x
    x = 983,319,559,452,338,176/1,127,190,578.08
  6. Step 6: Final answer
    x = 872,363,182.03

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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.