Home / 879,223,312.40-1,319,490,226.20-335,027,728.40

Finding the Fourth Proportional to 879,223,312.40, 1,319,490,226.20 and 335,027,728.40

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Solution

The fourth proportional to 879,223,312.40, 1,319,490,226.20 and 335,027,728.40 is: 502,791,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,223,312.40 : 1,319,490,226.20 = 335,027,728.40 : x
  2. Step 2: Convert to fraction form
    879,223,312.40/1,319,490,226.20 = 335,027,728.40/x
  3. Step 3: Cross multiply
    879,223,312.40x = 1,319,490,226.20 × 335,027,728.40
  4. Step 4: Simplify right side
    879,223,312.40x = 442,065,813,129,788,160
  5. Step 5: Solve for x
    x = 442,065,813,129,788,160/879,223,312.40
  6. Step 6: Final answer
    x = 502,791,278.27

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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.