Home / 873,174,199,642.12-1,308,590,547,846.40-679,571,049,618.80

Finding the Fourth Proportional to 873,174,199,642.12, 1,308,590,547,846.40 and 679,571,049,618.80

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Solution

The fourth proportional to 873,174,199,642.12, 1,308,590,547,846.40 and 679,571,049,618.80 is: 1,018,445,405,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,174,199,642.12 : 1,308,590,547,846.40 = 679,571,049,618.80 : x
  2. Step 2: Convert to fraction form
    873,174,199,642.12/1,308,590,547,846.40 = 679,571,049,618.80/x
  3. Step 3: Cross multiply
    873,174,199,642.12x = 1,308,590,547,846.40 × 679,571,049,618.80
  4. Step 4: Simplify right side
    873,174,199,642.12x = 889,280,252,121,218,566,586,368
  5. Step 5: Solve for x
    x = 889,280,252,121,218,566,586,368/873,174,199,642.12
  6. Step 6: Final answer
    x = 1,018,445,405,837.35

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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.