Home / 677,733,547.20-1,016,600,320.80-471,109,286.40

Finding the Fourth Proportional to 677,733,547.20, 1,016,600,320.80 and 471,109,286.40

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Solution

The fourth proportional to 677,733,547.20, 1,016,600,320.80 and 471,109,286.40 is: 706,663,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,733,547.20 : 1,016,600,320.80 = 471,109,286.40 : x
  2. Step 2: Convert to fraction form
    677,733,547.20/1,016,600,320.80 = 471,109,286.40/x
  3. Step 3: Cross multiply
    677,733,547.20x = 1,016,600,320.80 × 471,109,286.40
  4. Step 4: Simplify right side
    677,733,547.20x = 478,929,851,686,099,008
  5. Step 5: Solve for x
    x = 478,929,851,686,099,008/677,733,547.20
  6. Step 6: Final answer
    x = 706,663,929.60

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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.