Home / 1,660,015,965.40-2,490,023,948.10-433,184,416.90

Finding the Fourth Proportional to 1,660,015,965.40, 2,490,023,948.10 and 433,184,416.90

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Solution

The fourth proportional to 1,660,015,965.40, 2,490,023,948.10 and 433,184,416.90 is: 649,776,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,015,965.40 : 2,490,023,948.10 = 433,184,416.90 : x
  2. Step 2: Convert to fraction form
    1,660,015,965.40/2,490,023,948.10 = 433,184,416.90/x
  3. Step 3: Cross multiply
    1,660,015,965.40x = 2,490,023,948.10 × 433,184,416.90
  4. Step 4: Simplify right side
    1,660,015,965.40x = 1,078,639,572,024,734,208
  5. Step 5: Solve for x
    x = 1,078,639,572,024,734,208/1,660,015,965.40
  6. Step 6: Final answer
    x = 649,776,625.35

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Double scale
Find fourth proportional to 1,660,015,966.40, 2,490,023,949.60 and 433,184,417.90
Similar ratio
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1.5x scale

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.