Home / 1,310,759,090.78-1,966,155,674.48-437,360,459.13

Finding the Fourth Proportional to 1,310,759,090.78, 1,966,155,674.48 and 437,360,459.13

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Solution

The fourth proportional to 1,310,759,090.78, 1,966,155,674.48 and 437,360,459.13 is: 656,046,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,759,090.78 : 1,966,155,674.48 = 437,360,459.13 : x
  2. Step 2: Convert to fraction form
    1,310,759,090.78/1,966,155,674.48 = 437,360,459.13/x
  3. Step 3: Cross multiply
    1,310,759,090.78x = 1,966,155,674.48 × 437,360,459.13
  4. Step 4: Simplify right side
    1,310,759,090.78x = 859,918,748,509,440,768
  5. Step 5: Solve for x
    x = 859,918,748,509,440,768/1,310,759,090.78
  6. Step 6: Final answer
    x = 656,046,373.86

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1.5x scale

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.