Home / 1,178,064,484.80-1,767,096,727.20-402,585,777.60

Finding the Fourth Proportional to 1,178,064,484.80, 1,767,096,727.20 and 402,585,777.60

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Solution

The fourth proportional to 1,178,064,484.80, 1,767,096,727.20 and 402,585,777.60 is: 603,878,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,064,484.80 : 1,767,096,727.20 = 402,585,777.60 : x
  2. Step 2: Convert to fraction form
    1,178,064,484.80/1,767,096,727.20 = 402,585,777.60/x
  3. Step 3: Cross multiply
    1,178,064,484.80x = 1,767,096,727.20 × 402,585,777.60
  4. Step 4: Simplify right side
    1,178,064,484.80x = 711,408,010,014,227,072
  5. Step 5: Solve for x
    x = 711,408,010,014,227,072/1,178,064,484.80
  6. Step 6: Final answer
    x = 603,878,666.40

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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.