Home / 1,085,283,988.75-1,497,692,642.79-608,908,595.86

Finding the Fourth Proportional to 1,085,283,988.75, 1,497,692,642.79 and 608,908,595.86

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Solution

The fourth proportional to 1,085,283,988.75, 1,497,692,642.79 and 608,908,595.86 is: 840,294,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,283,988.75 : 1,497,692,642.79 = 608,908,595.86 : x
  2. Step 2: Convert to fraction form
    1,085,283,988.75/1,497,692,642.79 = 608,908,595.86/x
  3. Step 3: Cross multiply
    1,085,283,988.75x = 1,497,692,642.79 × 608,908,595.86
  4. Step 4: Simplify right side
    1,085,283,988.75x = 911,957,924,151,111,424
  5. Step 5: Solve for x
    x = 911,957,924,151,111,424/1,085,283,988.75
  6. Step 6: Final answer
    x = 840,294,276.53

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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.