Home / 765,178,216,700.80-1,055,939,663,708.90-417,948,717,041.60

Finding the Fourth Proportional to 765,178,216,700.80, 1,055,939,663,708.90 and 417,948,717,041.60

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Solution

The fourth proportional to 765,178,216,700.80, 1,055,939,663,708.90 and 417,948,717,041.60 is: 576,765,801,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,178,216,700.80 : 1,055,939,663,708.90 = 417,948,717,041.60 : x
  2. Step 2: Convert to fraction form
    765,178,216,700.80/1,055,939,663,708.90 = 417,948,717,041.60/x
  3. Step 3: Cross multiply
    765,178,216,700.80x = 1,055,939,663,708.90 × 417,948,717,041.60
  4. Step 4: Simplify right side
    765,178,216,700.80x = 441,328,627,720,473,316,163,584
  5. Step 5: Solve for x
    x = 441,328,627,720,473,316,163,584/765,178,216,700.80
  6. Step 6: Final answer
    x = 576,765,801,859.00

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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.