Home / 1,117,638,502.22-1,542,374,032.70-615,879,607.37

Finding the Fourth Proportional to 1,117,638,502.22, 1,542,374,032.70 and 615,879,607.37

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Solution

The fourth proportional to 1,117,638,502.22, 1,542,374,032.70 and 615,879,607.37 is: 849,931,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,638,502.22 : 1,542,374,032.70 = 615,879,607.37 : x
  2. Step 2: Convert to fraction form
    1,117,638,502.22/1,542,374,032.70 = 615,879,607.37/x
  3. Step 3: Cross multiply
    1,117,638,502.22x = 1,542,374,032.70 × 615,879,607.37
  4. Step 4: Simplify right side
    1,117,638,502.22x = 949,916,713,681,166,336
  5. Step 5: Solve for x
    x = 949,916,713,681,166,336/1,117,638,502.22
  6. Step 6: Final answer
    x = 849,931,987.67

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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.