Home / 2,870,017,319.61-3,960,623,868.89-1,549,917,875.61

Finding the Fourth Proportional to 2,870,017,319.61, 3,960,623,868.89 and 1,549,917,875.61

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Solution

The fourth proportional to 2,870,017,319.61, 3,960,623,868.89 and 1,549,917,875.61 is: 2,138,886,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,017,319.61 : 3,960,623,868.89 = 1,549,917,875.61 : x
  2. Step 2: Convert to fraction form
    2,870,017,319.61/3,960,623,868.89 = 1,549,917,875.61/x
  3. Step 3: Cross multiply
    2,870,017,319.61x = 3,960,623,868.89 × 1,549,917,875.61
  4. Step 4: Simplify right side
    2,870,017,319.61x = 6,138,641,732,960,247,808
  5. Step 5: Solve for x
    x = 6,138,641,732,960,247,808/2,870,017,319.61
  6. Step 6: Final answer
    x = 2,138,886,650.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.