Home / 935,963,186.40-1,403,944,779.60-663,865,394.40

Finding the Fourth Proportional to 935,963,186.40, 1,403,944,779.60 and 663,865,394.40

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Solution

The fourth proportional to 935,963,186.40, 1,403,944,779.60 and 663,865,394.40 is: 995,798,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,963,186.40 : 1,403,944,779.60 = 663,865,394.40 : x
  2. Step 2: Convert to fraction form
    935,963,186.40/1,403,944,779.60 = 663,865,394.40/x
  3. Step 3: Cross multiply
    935,963,186.40x = 1,403,944,779.60 × 663,865,394.40
  4. Step 4: Simplify right side
    935,963,186.40x = 932,030,354,824,974,976
  5. Step 5: Solve for x
    x = 932,030,354,824,974,976/935,963,186.40
  6. Step 6: Final answer
    x = 995,798,091.60

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Double scale
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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.