Home / 426,602,108.60-638,946,569.10-350,074,604.60

Finding the Fourth Proportional to 426,602,108.60, 638,946,569.10 and 350,074,604.60

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Solution

The fourth proportional to 426,602,108.60, 638,946,569.10 and 350,074,604.60 is: 524,326,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,602,108.60 : 638,946,569.10 = 350,074,604.60 : x
  2. Step 2: Convert to fraction form
    426,602,108.60/638,946,569.10 = 350,074,604.60/x
  3. Step 3: Cross multiply
    426,602,108.60x = 638,946,569.10 × 350,074,604.60
  4. Step 4: Simplify right side
    426,602,108.60x = 223,678,967,538,209,088
  5. Step 5: Solve for x
    x = 223,678,967,538,209,088/426,602,108.60
  6. Step 6: Final answer
    x = 524,326,915.01

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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.