Home / 910,127,234.98-1,255,966,642.65-492,430,355.38

Finding the Fourth Proportional to 910,127,234.98, 1,255,966,642.65 and 492,430,355.38

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Solution

The fourth proportional to 910,127,234.98, 1,255,966,642.65 and 492,430,355.38 is: 679,549,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,127,234.98 : 1,255,966,642.65 = 492,430,355.38 : x
  2. Step 2: Convert to fraction form
    910,127,234.98/1,255,966,642.65 = 492,430,355.38/x
  3. Step 3: Cross multiply
    910,127,234.98x = 1,255,966,642.65 × 492,430,355.38
  4. Step 4: Simplify right side
    910,127,234.98x = 618,476,100,185,565,056
  5. Step 5: Solve for x
    x = 618,476,100,185,565,056/910,127,234.98
  6. Step 6: Final answer
    x = 679,549,052.50

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1.5x scale

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.