Home / 927,148,032,133.55-1,390,722,048,200.40-778,378,564,357.55

Finding the Fourth Proportional to 927,148,032,133.55, 1,390,722,048,200.40 and 778,378,564,357.55

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Solution

The fourth proportional to 927,148,032,133.55, 1,390,722,048,200.40 and 778,378,564,357.55 is: 1,167,567,846,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,032,133.55 : 1,390,722,048,200.40 = 778,378,564,357.55 : x
  2. Step 2: Convert to fraction form
    927,148,032,133.55/1,390,722,048,200.40 = 778,378,564,357.55/x
  3. Step 3: Cross multiply
    927,148,032,133.55x = 1,390,722,048,200.40 × 778,378,564,357.55
  4. Step 4: Simplify right side
    927,148,032,133.55x = 1,082,508,231,298,618,845,298,688
  5. Step 5: Solve for x
    x = 1,082,508,231,298,618,845,298,688/927,148,032,133.55
  6. Step 6: Final answer
    x = 1,167,567,846,536.39

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Double scale
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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.