Home / 459,730,823.60-689,596,235.40-437,056,007.60

Finding the Fourth Proportional to 459,730,823.60, 689,596,235.40 and 437,056,007.60

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Solution

The fourth proportional to 459,730,823.60, 689,596,235.40 and 437,056,007.60 is: 655,584,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,730,823.60 : 689,596,235.40 = 437,056,007.60 : x
  2. Step 2: Convert to fraction form
    459,730,823.60/689,596,235.40 = 437,056,007.60/x
  3. Step 3: Cross multiply
    459,730,823.60x = 689,596,235.40 × 437,056,007.60
  4. Step 4: Simplify right side
    459,730,823.60x = 301,392,177,499,913,792
  5. Step 5: Solve for x
    x = 301,392,177,499,913,792/459,730,823.60
  6. Step 6: Final answer
    x = 655,584,011.40

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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.