Home / 735,038,347.20-1,014,398,102.88-405,013,398.72

Finding the Fourth Proportional to 735,038,347.20, 1,014,398,102.88 and 405,013,398.72

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Solution

The fourth proportional to 735,038,347.20, 1,014,398,102.88 and 405,013,398.72 is: 558,943,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,038,347.20 : 1,014,398,102.88 = 405,013,398.72 : x
  2. Step 2: Convert to fraction form
    735,038,347.20/1,014,398,102.88 = 405,013,398.72/x
  3. Step 3: Cross multiply
    735,038,347.20x = 1,014,398,102.88 × 405,013,398.72
  4. Step 4: Simplify right side
    735,038,347.20x = 410,844,823,302,549,056
  5. Step 5: Solve for x
    x = 410,844,823,302,549,056/735,038,347.20
  6. Step 6: Final answer
    x = 558,943,386.92

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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.