Home / 765,178,216,700.79-1,055,939,663,708.90-417,948,717,041.61

Finding the Fourth Proportional to 765,178,216,700.79, 1,055,939,663,708.90 and 417,948,717,041.61

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Solution

The fourth proportional to 765,178,216,700.79, 1,055,939,663,708.90 and 417,948,717,041.61 is: 576,765,801,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,178,216,700.79 : 1,055,939,663,708.90 = 417,948,717,041.61 : x
  2. Step 2: Convert to fraction form
    765,178,216,700.79/1,055,939,663,708.90 = 417,948,717,041.61/x
  3. Step 3: Cross multiply
    765,178,216,700.79x = 1,055,939,663,708.90 × 417,948,717,041.61
  4. Step 4: Simplify right side
    765,178,216,700.79x = 441,328,627,720,483,852,255,232
  5. Step 5: Solve for x
    x = 441,328,627,720,483,852,255,232/765,178,216,700.79
  6. Step 6: Final answer
    x = 576,765,801,859.02

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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.