Home / 1,310,759,079.10-1,966,155,656.98-437,360,447.50

Finding the Fourth Proportional to 1,310,759,079.10, 1,966,155,656.98 and 437,360,447.50

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Solution

The fourth proportional to 1,310,759,079.10, 1,966,155,656.98 and 437,360,447.50 is: 656,046,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,759,079.10 : 1,966,155,656.98 = 437,360,447.50 : x
  2. Step 2: Convert to fraction form
    1,310,759,079.10/1,966,155,656.98 = 437,360,447.50/x
  3. Step 3: Cross multiply
    1,310,759,079.10x = 1,966,155,656.98 × 437,360,447.50
  4. Step 4: Simplify right side
    1,310,759,079.10x = 859,918,717,986,207,744
  5. Step 5: Solve for x
    x = 859,918,717,986,207,744/1,310,759,079.10
  6. Step 6: Final answer
    x = 656,046,356.42

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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.