Home / 678,118,716,038.40-1,017,178,074,057.60-552,594,477,602.40

Finding the Fourth Proportional to 678,118,716,038.40, 1,017,178,074,057.60 and 552,594,477,602.40

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Solution

The fourth proportional to 678,118,716,038.40, 1,017,178,074,057.60 and 552,594,477,602.40 is: 828,891,716,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,118,716,038.40 : 1,017,178,074,057.60 = 552,594,477,602.40 : x
  2. Step 2: Convert to fraction form
    678,118,716,038.40/1,017,178,074,057.60 = 552,594,477,602.40/x
  3. Step 3: Cross multiply
    678,118,716,038.40x = 1,017,178,074,057.60 × 552,594,477,602.40
  4. Step 4: Simplify right side
    678,118,716,038.40x = 562,086,986,462,474,841,096,192
  5. Step 5: Solve for x
    x = 562,086,986,462,474,841,096,192/678,118,716,038.40
  6. Step 6: Final answer
    x = 828,891,716,403.60

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Double scale
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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.