Home / 908,585,802.98-1,253,845,929.83-506,699,988.18

Finding the Fourth Proportional to 908,585,802.98, 1,253,845,929.83 and 506,699,988.18

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Solution

The fourth proportional to 908,585,802.98, 1,253,845,929.83 and 506,699,988.18 is: 699,244,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,585,802.98 : 1,253,845,929.83 = 506,699,988.18 : x
  2. Step 2: Convert to fraction form
    908,585,802.98/1,253,845,929.83 = 506,699,988.18/x
  3. Step 3: Cross multiply
    908,585,802.98x = 1,253,845,929.83 × 506,699,988.18
  4. Step 4: Simplify right side
    908,585,802.98x = 635,323,717,830,611,840
  5. Step 5: Solve for x
    x = 635,323,717,830,611,840/908,585,802.98
  6. Step 6: Final answer
    x = 699,244,601.61

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1.5x scale

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.