Home / 457,730,829.80-686,596,244.70-407,566,298.60

Finding the Fourth Proportional to 457,730,829.80, 686,596,244.70 and 407,566,298.60

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Solution

The fourth proportional to 457,730,829.80, 686,596,244.70 and 407,566,298.60 is: 611,349,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,730,829.80 : 686,596,244.70 = 407,566,298.60 : x
  2. Step 2: Convert to fraction form
    457,730,829.80/686,596,244.70 = 407,566,298.60/x
  3. Step 3: Cross multiply
    457,730,829.80x = 686,596,244.70 × 407,566,298.60
  4. Step 4: Simplify right side
    457,730,829.80x = 279,833,490,085,038,912
  5. Step 5: Solve for x
    x = 279,833,490,085,038,912/457,730,829.80
  6. Step 6: Final answer
    x = 611,349,447.90

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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.