Home / 1,152,606,125.14-1,590,596,985.65-623,970,111.80

Finding the Fourth Proportional to 1,152,606,125.14, 1,590,596,985.65 and 623,970,111.80

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Solution

The fourth proportional to 1,152,606,125.14, 1,590,596,985.65 and 623,970,111.80 is: 861,079,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,606,125.14 : 1,590,596,985.65 = 623,970,111.80 : x
  2. Step 2: Convert to fraction form
    1,152,606,125.14/1,590,596,985.65 = 623,970,111.80/x
  3. Step 3: Cross multiply
    1,152,606,125.14x = 1,590,596,985.65 × 623,970,111.80
  4. Step 4: Simplify right side
    1,152,606,125.14x = 992,484,978,964,773,504
  5. Step 5: Solve for x
    x = 992,484,978,964,773,504/1,152,606,125.14
  6. Step 6: Final answer
    x = 861,079,042.80

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Double scale
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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.