Home / 810,654,817.14-1,118,807,253.09-453,442,445.46

Finding the Fourth Proportional to 810,654,817.14, 1,118,807,253.09 and 453,442,445.46

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Solution

The fourth proportional to 810,654,817.14, 1,118,807,253.09 and 453,442,445.46 is: 625,808,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,654,817.14 : 1,118,807,253.09 = 453,442,445.46 : x
  2. Step 2: Convert to fraction form
    810,654,817.14/1,118,807,253.09 = 453,442,445.46/x
  3. Step 3: Cross multiply
    810,654,817.14x = 1,118,807,253.09 × 453,442,445.46
  4. Step 4: Simplify right side
    810,654,817.14x = 507,314,696,839,514,688
  5. Step 5: Solve for x
    x = 507,314,696,839,514,688/810,654,817.14
  6. Step 6: Final answer
    x = 625,808,526.78

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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.