Home / 755,909,112.70-1,133,863,669.05-210,650,646.70

Finding the Fourth Proportional to 755,909,112.70, 1,133,863,669.05 and 210,650,646.70

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Solution

The fourth proportional to 755,909,112.70, 1,133,863,669.05 and 210,650,646.70 is: 315,975,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,909,112.70 : 1,133,863,669.05 = 210,650,646.70 : x
  2. Step 2: Convert to fraction form
    755,909,112.70/1,133,863,669.05 = 210,650,646.70/x
  3. Step 3: Cross multiply
    755,909,112.70x = 1,133,863,669.05 × 210,650,646.70
  4. Step 4: Simplify right side
    755,909,112.70x = 238,849,115,155,017,248
  5. Step 5: Solve for x
    x = 238,849,115,155,017,248/755,909,112.70
  6. Step 6: Final answer
    x = 315,975,970.05

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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.