Home / 1,168,128,045.90-1,752,192,068.85-708,585,108.30

Finding the Fourth Proportional to 1,168,128,045.90, 1,752,192,068.85 and 708,585,108.30

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Solution

The fourth proportional to 1,168,128,045.90, 1,752,192,068.85 and 708,585,108.30 is: 1,062,877,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,128,045.90 : 1,752,192,068.85 = 708,585,108.30 : x
  2. Step 2: Convert to fraction form
    1,168,128,045.90/1,752,192,068.85 = 708,585,108.30/x
  3. Step 3: Cross multiply
    1,168,128,045.90x = 1,752,192,068.85 × 708,585,108.30
  4. Step 4: Simplify right side
    1,168,128,045.90x = 1,241,577,206,868,478,208
  5. Step 5: Solve for x
    x = 1,241,577,206,868,478,208/1,168,128,045.90
  6. Step 6: Final answer
    x = 1,062,877,662.45

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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.