Home / 510,862,637.80-766,219,307.10-147,319,085.80

Finding the Fourth Proportional to 510,862,637.80, 766,219,307.10 and 147,319,085.80

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Solution

The fourth proportional to 510,862,637.80, 766,219,307.10 and 147,319,085.80 is: 220,957,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,862,637.80 : 766,219,307.10 = 147,319,085.80 : x
  2. Step 2: Convert to fraction form
    510,862,637.80/766,219,307.10 = 147,319,085.80/x
  3. Step 3: Cross multiply
    510,862,637.80x = 766,219,307.10 × 147,319,085.80
  4. Step 4: Simplify right side
    510,862,637.80x = 112,878,727,844,281,456
  5. Step 5: Solve for x
    x = 112,878,727,844,281,456/510,862,637.80
  6. Step 6: Final answer
    x = 220,957,101.76

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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.