Home / 738,051,465.39-1,018,532,279.70-408,047,862.03

Finding the Fourth Proportional to 738,051,465.39, 1,018,532,279.70 and 408,047,862.03

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Solution

The fourth proportional to 738,051,465.39, 1,018,532,279.70 and 408,047,862.03 is: 563,117,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,465.39 : 1,018,532,279.70 = 408,047,862.03 : x
  2. Step 2: Convert to fraction form
    738,051,465.39/1,018,532,279.70 = 408,047,862.03/x
  3. Step 3: Cross multiply
    738,051,465.39x = 1,018,532,279.70 × 408,047,862.03
  4. Step 4: Simplify right side
    738,051,465.39x = 415,609,919,140,126,976
  5. Step 5: Solve for x
    x = 415,609,919,140,126,976/738,051,465.39
  6. Step 6: Final answer
    x = 563,117,802.25

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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.