Home / 559,872,666.40-839,808,999.60-314,984,653.60

Finding the Fourth Proportional to 559,872,666.40, 839,808,999.60 and 314,984,653.60

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Solution

The fourth proportional to 559,872,666.40, 839,808,999.60 and 314,984,653.60 is: 472,476,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,666.40 : 839,808,999.60 = 314,984,653.60 : x
  2. Step 2: Convert to fraction form
    559,872,666.40/839,808,999.60 = 314,984,653.60/x
  3. Step 3: Cross multiply
    559,872,666.40x = 839,808,999.60 × 314,984,653.60
  4. Step 4: Simplify right side
    559,872,666.40x = 264,526,946,829,168,576
  5. Step 5: Solve for x
    x = 264,526,946,829,168,576/559,872,666.40
  6. Step 6: Final answer
    x = 472,476,980.40

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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.