Home / 772,020,068.40-1,158,198,064.20-254,362,417.20

Finding the Fourth Proportional to 772,020,068.40, 1,158,198,064.20 and 254,362,417.20

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Solution

The fourth proportional to 772,020,068.40, 1,158,198,064.20 and 254,362,417.20 is: 381,598,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,020,068.40 : 1,158,198,064.20 = 254,362,417.20 : x
  2. Step 2: Convert to fraction form
    772,020,068.40/1,158,198,064.20 = 254,362,417.20/x
  3. Step 3: Cross multiply
    772,020,068.40x = 1,158,198,064.20 × 254,362,417.20
  4. Step 4: Simplify right side
    772,020,068.40x = 294,602,059,206,272,768
  5. Step 5: Solve for x
    x = 294,602,059,206,272,768/772,020,068.40
  6. Step 6: Final answer
    x = 381,598,965.19

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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.