Home / 1,690,388,386.79-2,332,386,653.63-975,911,559.17

Finding the Fourth Proportional to 1,690,388,386.79, 2,332,386,653.63 and 975,911,559.17

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Solution

The fourth proportional to 1,690,388,386.79, 2,332,386,653.63 and 975,911,559.17 is: 1,346,556,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,388,386.79 : 2,332,386,653.63 = 975,911,559.17 : x
  2. Step 2: Convert to fraction form
    1,690,388,386.79/2,332,386,653.63 = 975,911,559.17/x
  3. Step 3: Cross multiply
    1,690,388,386.79x = 2,332,386,653.63 × 975,911,559.17
  4. Step 4: Simplify right side
    1,690,388,386.79x = 2,276,203,095,714,810,368
  5. Step 5: Solve for x
    x = 2,276,203,095,714,810,368/1,690,388,386.79
  6. Step 6: Final answer
    x = 1,346,556,278.73

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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.