Home / 426,100,222.52-588,424,417.31-402,886,547.49

Finding the Fourth Proportional to 426,100,222.52, 588,424,417.31 and 402,886,547.49

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Solution

The fourth proportional to 426,100,222.52, 588,424,417.31 and 402,886,547.49 is: 556,367,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,100,222.52 : 588,424,417.31 = 402,886,547.49 : x
  2. Step 2: Convert to fraction form
    426,100,222.52/588,424,417.31 = 402,886,547.49/x
  3. Step 3: Cross multiply
    426,100,222.52x = 588,424,417.31 × 402,886,547.49
  4. Step 4: Simplify right side
    426,100,222.52x = 237,068,281,947,369,824
  5. Step 5: Solve for x
    x = 237,068,281,947,369,824/426,100,222.52
  6. Step 6: Final answer
    x = 556,367,421.14

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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.