Home / 459,696,020.60-689,544,030.90-368,996,756.60

Finding the Fourth Proportional to 459,696,020.60, 689,544,030.90 and 368,996,756.60

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Solution

The fourth proportional to 459,696,020.60, 689,544,030.90 and 368,996,756.60 is: 553,495,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,696,020.60 : 689,544,030.90 = 368,996,756.60 : x
  2. Step 2: Convert to fraction form
    459,696,020.60/689,544,030.90 = 368,996,756.60/x
  3. Step 3: Cross multiply
    459,696,020.60x = 689,544,030.90 × 368,996,756.60
  4. Step 4: Simplify right side
    459,696,020.60x = 254,439,510,934,990,176
  5. Step 5: Solve for x
    x = 254,439,510,934,990,176/459,696,020.60
  6. Step 6: Final answer
    x = 553,495,134.90

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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.