Home / 1,310,759,066.21-1,966,155,637.59-437,360,434.52

Finding the Fourth Proportional to 1,310,759,066.21, 1,966,155,637.59 and 437,360,434.52

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Solution

The fourth proportional to 1,310,759,066.21, 1,966,155,637.59 and 437,360,434.52 is: 656,046,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,759,066.21 : 1,966,155,637.59 = 437,360,434.52 : x
  2. Step 2: Convert to fraction form
    1,310,759,066.21/1,966,155,637.59 = 437,360,434.52/x
  3. Step 3: Cross multiply
    1,310,759,066.21x = 1,966,155,637.59 × 437,360,434.52
  4. Step 4: Simplify right side
    1,310,759,066.21x = 859,918,683,980,479,232
  5. Step 5: Solve for x
    x = 859,918,683,980,479,232/1,310,759,066.21
  6. Step 6: Final answer
    x = 656,046,336.93

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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.