Home / 278,527,029,816.96-417,872,514,156-89,869,386,222.72

Finding the Fourth Proportional to 278,527,029,816.96, 417,872,514,156 and 89,869,386,222.72

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Solution

The fourth proportional to 278,527,029,816.96, 417,872,514,156 and 89,869,386,222.72 is: 134,830,527,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,527,029,816.96 : 417,872,514,156 = 89,869,386,222.72 : x
  2. Step 2: Convert to fraction form
    278,527,029,816.96/417,872,514,156 = 89,869,386,222.72/x
  3. Step 3: Cross multiply
    278,527,029,816.96x = 417,872,514,156 × 89,869,386,222.72
  4. Step 4: Simplify right side
    278,527,029,816.96x = 37,553,946,366,544,594,337,792
  5. Step 5: Solve for x
    x = 37,553,946,366,544,594,337,792/278,527,029,816.96
  6. Step 6: Final answer
    x = 134,830,527,547.81

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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.