Home / 887,559,309.10-1,331,338,963.65-402,885,117.10

Finding the Fourth Proportional to 887,559,309.10, 1,331,338,963.65 and 402,885,117.10

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Solution

The fourth proportional to 887,559,309.10, 1,331,338,963.65 and 402,885,117.10 is: 604,327,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,559,309.10 : 1,331,338,963.65 = 402,885,117.10 : x
  2. Step 2: Convert to fraction form
    887,559,309.10/1,331,338,963.65 = 402,885,117.10/x
  3. Step 3: Cross multiply
    887,559,309.10x = 1,331,338,963.65 × 402,885,117.10
  4. Step 4: Simplify right side
    887,559,309.10x = 536,376,654,269,922,944
  5. Step 5: Solve for x
    x = 536,376,654,269,922,944/887,559,309.10
  6. Step 6: Final answer
    x = 604,327,675.65

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Double scale
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Similar ratio
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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.