Home / 747,871,260.18-1,121,829,744-256,577,638.32

Finding the Fourth Proportional to 747,871,260.18, 1,121,829,744 and 256,577,638.32

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Solution

The fourth proportional to 747,871,260.18, 1,121,829,744 and 256,577,638.32 is: 384,874,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,871,260.18 : 1,121,829,744 = 256,577,638.32 : x
  2. Step 2: Convert to fraction form
    747,871,260.18/1,121,829,744 = 256,577,638.32/x
  3. Step 3: Cross multiply
    747,871,260.18x = 1,121,829,744 × 256,577,638.32
  4. Step 4: Simplify right side
    747,871,260.18x = 287,836,426,312,650,176
  5. Step 5: Solve for x
    x = 287,836,426,312,650,176/747,871,260.18
  6. Step 6: Final answer
    x = 384,874,298.08

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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.