Home / 921,088,113.30-1,271,715,153.96-544,865,563.50

Finding the Fourth Proportional to 921,088,113.30, 1,271,715,153.96 and 544,865,563.50

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Solution

The fourth proportional to 921,088,113.30, 1,271,715,153.96 and 544,865,563.50 is: 752,277,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,088,113.30 : 1,271,715,153.96 = 544,865,563.50 : x
  2. Step 2: Convert to fraction form
    921,088,113.30/1,271,715,153.96 = 544,865,563.50/x
  3. Step 3: Cross multiply
    921,088,113.30x = 1,271,715,153.96 × 544,865,563.50
  4. Step 4: Simplify right side
    921,088,113.30x = 692,913,793,973,904,640
  5. Step 5: Solve for x
    x = 692,913,793,973,904,640/921,088,113.30
  6. Step 6: Final answer
    x = 752,277,424.89

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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.