Home / 699,012,641.40-1,048,896,875.70-310,895,374.20

Finding the Fourth Proportional to 699,012,641.40, 1,048,896,875.70 and 310,895,374.20

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Solution

The fourth proportional to 699,012,641.40, 1,048,896,875.70 and 310,895,374.20 is: 466,511,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,012,641.40 : 1,048,896,875.70 = 310,895,374.20 : x
  2. Step 2: Convert to fraction form
    699,012,641.40/1,048,896,875.70 = 310,895,374.20/x
  3. Step 3: Cross multiply
    699,012,641.40x = 1,048,896,875.70 × 310,895,374.20
  4. Step 4: Simplify right side
    699,012,641.40x = 326,097,186,667,962,368
  5. Step 5: Solve for x
    x = 326,097,186,667,962,368/699,012,641.40
  6. Step 6: Final answer
    x = 466,511,143.51

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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.