Home / 399,264,019.40-598,896,029.10-96,684,307.40

Finding the Fourth Proportional to 399,264,019.40, 598,896,029.10 and 96,684,307.40

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Solution

The fourth proportional to 399,264,019.40, 598,896,029.10 and 96,684,307.40 is: 145,026,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,264,019.40 : 598,896,029.10 = 96,684,307.40 : x
  2. Step 2: Convert to fraction form
    399,264,019.40/598,896,029.10 = 96,684,307.40/x
  3. Step 3: Cross multiply
    399,264,019.40x = 598,896,029.10 × 96,684,307.40
  4. Step 4: Simplify right side
    399,264,019.40x = 57,903,847,778,143,752
  5. Step 5: Solve for x
    x = 57,903,847,778,143,752/399,264,019.40
  6. Step 6: Final answer
    x = 145,026,461.10

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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.