Home / 453,074,925.40-679,877,808.90-165,889,619.80

Finding the Fourth Proportional to 453,074,925.40, 679,877,808.90 and 165,889,619.80

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Solution

The fourth proportional to 453,074,925.40, 679,877,808.90 and 165,889,619.80 is: 248,931,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,074,925.40 : 679,877,808.90 = 165,889,619.80 : x
  2. Step 2: Convert to fraction form
    453,074,925.40/679,877,808.90 = 165,889,619.80/x
  3. Step 3: Cross multiply
    453,074,925.40x = 679,877,808.90 × 165,889,619.80
  4. Step 4: Simplify right side
    453,074,925.40x = 112,784,671,228,878,064
  5. Step 5: Solve for x
    x = 112,784,671,228,878,064/453,074,925.40
  6. Step 6: Final answer
    x = 248,931,611.32

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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.