Home / 764,687,655,402.32-1,055,263,596,180.10-417,457,934,290.80

Finding the Fourth Proportional to 764,687,655,402.32, 1,055,263,596,180.10 and 417,457,934,290.80

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Solution

The fourth proportional to 764,687,655,402.32, 1,055,263,596,180.10 and 417,457,934,290.80 is: 576,089,018,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,687,655,402.32 : 1,055,263,596,180.10 = 417,457,934,290.80 : x
  2. Step 2: Convert to fraction form
    764,687,655,402.32/1,055,263,596,180.10 = 417,457,934,290.80/x
  3. Step 3: Cross multiply
    764,687,655,402.32x = 1,055,263,596,180.10 × 417,457,934,290.80
  4. Step 4: Simplify right side
    764,687,655,402.32x = 440,528,160,993,625,495,306,240
  5. Step 5: Solve for x
    x = 440,528,160,993,625,495,306,240/764,687,655,402.32
  6. Step 6: Final answer
    x = 576,089,018,675.02

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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.