Home / 1,012,539,840,578.20-1,397,306,014,129.70-549,566,974,565.30

Finding the Fourth Proportional to 1,012,539,840,578.20, 1,397,306,014,129.70 and 549,566,974,565.30

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Solution

The fourth proportional to 1,012,539,840,578.20, 1,397,306,014,129.70 and 549,566,974,565.30 is: 758,402,986,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,539,840,578.20 : 1,397,306,014,129.70 = 549,566,974,565.30 : x
  2. Step 2: Convert to fraction form
    1,012,539,840,578.20/1,397,306,014,129.70 = 549,566,974,565.30/x
  3. Step 3: Cross multiply
    1,012,539,840,578.20x = 1,397,306,014,129.70 × 549,566,974,565.30
  4. Step 4: Simplify right side
    1,012,539,840,578.20x = 767,913,238,727,157,465,743,360
  5. Step 5: Solve for x
    x = 767,913,238,727,157,465,743,360/1,012,539,840,578.20
  6. Step 6: Final answer
    x = 758,402,986,186.35

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Double scale
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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.