Home / 927,148,032,133.40-1,390,722,048,200.10-778,378,564,357.45

Finding the Fourth Proportional to 927,148,032,133.40, 1,390,722,048,200.10 and 778,378,564,357.45

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Solution

The fourth proportional to 927,148,032,133.40, 1,390,722,048,200.10 and 778,378,564,357.45 is: 1,167,567,846,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,032,133.40 : 1,390,722,048,200.10 = 778,378,564,357.45 : x
  2. Step 2: Convert to fraction form
    927,148,032,133.40/1,390,722,048,200.10 = 778,378,564,357.45/x
  3. Step 3: Cross multiply
    927,148,032,133.40x = 1,390,722,048,200.10 × 778,378,564,357.45
  4. Step 4: Simplify right side
    927,148,032,133.40x = 1,082,508,231,298,246,256,885,760
  5. Step 5: Solve for x
    x = 1,082,508,231,298,246,256,885,760/927,148,032,133.40
  6. Step 6: Final answer
    x = 1,167,567,846,536.18

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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.