Home / 291,724,412,540.66-437,736,209,807.91-140,759,461,315.16

Finding the Fourth Proportional to 291,724,412,540.66, 437,736,209,807.91 and 140,759,461,315.16

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Solution

The fourth proportional to 291,724,412,540.66, 437,736,209,807.91 and 140,759,461,315.16 is: 211,211,370,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,724,412,540.66 : 437,736,209,807.91 = 140,759,461,315.16 : x
  2. Step 2: Convert to fraction form
    291,724,412,540.66/437,736,209,807.91 = 140,759,461,315.16/x
  3. Step 3: Cross multiply
    291,724,412,540.66x = 437,736,209,807.91 × 140,759,461,315.16
  4. Step 4: Simplify right side
    291,724,412,540.66x = 61,615,513,090,701,268,090,880
  5. Step 5: Solve for x
    x = 61,615,513,090,701,268,090,880/291,724,412,540.66
  6. Step 6: Final answer
    x = 211,211,370,875.98

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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.