Home / 1,248,094,461.60-1,872,365,641.20-521,156,656.80

Finding the Fourth Proportional to 1,248,094,461.60, 1,872,365,641.20 and 521,156,656.80

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Solution

The fourth proportional to 1,248,094,461.60, 1,872,365,641.20 and 521,156,656.80 is: 781,828,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,094,461.60 : 1,872,365,641.20 = 521,156,656.80 : x
  2. Step 2: Convert to fraction form
    1,248,094,461.60/1,872,365,641.20 = 521,156,656.80/x
  3. Step 3: Cross multiply
    1,248,094,461.60x = 1,872,365,641.20 × 521,156,656.80
  4. Step 4: Simplify right side
    1,248,094,461.60x = 975,795,817,874,980,352
  5. Step 5: Solve for x
    x = 975,795,817,874,980,352/1,248,094,461.60
  6. Step 6: Final answer
    x = 781,828,497.68

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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.