Home / 463,648,688.40-695,473,032.60-208,844,720.40

Finding the Fourth Proportional to 463,648,688.40, 695,473,032.60 and 208,844,720.40

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Solution

The fourth proportional to 463,648,688.40, 695,473,032.60 and 208,844,720.40 is: 313,267,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,648,688.40 : 695,473,032.60 = 208,844,720.40 : x
  2. Step 2: Convert to fraction form
    463,648,688.40/695,473,032.60 = 208,844,720.40/x
  3. Step 3: Cross multiply
    463,648,688.40x = 695,473,032.60 × 208,844,720.40
  4. Step 4: Simplify right side
    463,648,688.40x = 145,245,871,039,087,104
  5. Step 5: Solve for x
    x = 145,245,871,039,087,104/463,648,688.40
  6. Step 6: Final answer
    x = 313,267,080.60

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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.