Home / 1,123,708,160.40-1,684,428,499.80-510,732,301.20

Finding the Fourth Proportional to 1,123,708,160.40, 1,684,428,499.80 and 510,732,301.20

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Solution

The fourth proportional to 1,123,708,160.40, 1,684,428,499.80 and 510,732,301.20 is: 765,583,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,708,160.40 : 1,684,428,499.80 = 510,732,301.20 : x
  2. Step 2: Convert to fraction form
    1,123,708,160.40/1,684,428,499.80 = 510,732,301.20/x
  3. Step 3: Cross multiply
    1,123,708,160.40x = 1,684,428,499.80 × 510,732,301.20
  4. Step 4: Simplify right side
    1,123,708,160.40x = 860,292,043,909,717,632
  5. Step 5: Solve for x
    x = 860,292,043,909,717,632/1,123,708,160.40
  6. Step 6: Final answer
    x = 765,583,159.60

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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.