Home / 56,679,867,897.10-78,217,752,858.12-30,959,164,218.65

Finding the Fourth Proportional to 56,679,867,897.10, 78,217,752,858.12 and 30,959,164,218.65

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Solution

The fourth proportional to 56,679,867,897.10, 78,217,752,858.12 and 30,959,164,218.65 is: 42,723,392,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679,867,897.10 : 78,217,752,858.12 = 30,959,164,218.65 : x
  2. Step 2: Convert to fraction form
    56,679,867,897.10/78,217,752,858.12 = 30,959,164,218.65/x
  3. Step 3: Cross multiply
    56,679,867,897.10x = 78,217,752,858.12 × 30,959,164,218.65
  4. Step 4: Simplify right side
    56,679,867,897.10x = 2,421,556,255,547,926,249,472
  5. Step 5: Solve for x
    x = 2,421,556,255,547,926,249,472/56,679,867,897.10
  6. Step 6: Final answer
    x = 42,723,392,721.10

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1.5x scale

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.