Home / 1,277,280,288.64-1,762,646,864.64-705,063,492.52

Finding the Fourth Proportional to 1,277,280,288.64, 1,762,646,864.64 and 705,063,492.52

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Solution

The fourth proportional to 1,277,280,288.64, 1,762,646,864.64 and 705,063,492.52 is: 972,987,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,280,288.64 : 1,762,646,864.64 = 705,063,492.52 : x
  2. Step 2: Convert to fraction form
    1,277,280,288.64/1,762,646,864.64 = 705,063,492.52/x
  3. Step 3: Cross multiply
    1,277,280,288.64x = 1,762,646,864.64 × 705,063,492.52
  4. Step 4: Simplify right side
    1,277,280,288.64x = 1,242,777,954,462,506,240
  5. Step 5: Solve for x
    x = 1,242,777,954,462,506,240/1,277,280,288.64
  6. Step 6: Final answer
    x = 972,987,656.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.