Home / 1,290,604,521,306.40-1,781,190,415,723.60-734,544,846,031.93

Finding the Fourth Proportional to 1,290,604,521,306.40, 1,781,190,415,723.60 and 734,544,846,031.93

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Solution

The fourth proportional to 1,290,604,521,306.40, 1,781,190,415,723.60 and 734,544,846,031.93 is: 1,013,760,774,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,604,521,306.40 : 1,781,190,415,723.60 = 734,544,846,031.93 : x
  2. Step 2: Convert to fraction form
    1,290,604,521,306.40/1,781,190,415,723.60 = 734,544,846,031.93/x
  3. Step 3: Cross multiply
    1,290,604,521,306.40x = 1,781,190,415,723.60 × 734,544,846,031.93
  4. Step 4: Simplify right side
    1,290,604,521,306.40x = 1,308,364,239,671,241,362,898,944
  5. Step 5: Solve for x
    x = 1,308,364,239,671,241,362,898,944/1,290,604,521,306.40
  6. Step 6: Final answer
    x = 1,013,760,774,948.21

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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.