Home / 749,661,900,967.78-1,124,138,373,474.70-290,411,671,364.40

Finding the Fourth Proportional to 749,661,900,967.78, 1,124,138,373,474.70 and 290,411,671,364.40

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Solution

The fourth proportional to 749,661,900,967.78, 1,124,138,373,474.70 and 290,411,671,364.40 is: 435,480,185,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,661,900,967.78 : 1,124,138,373,474.70 = 290,411,671,364.40 : x
  2. Step 2: Convert to fraction form
    749,661,900,967.78/1,124,138,373,474.70 = 290,411,671,364.40/x
  3. Step 3: Cross multiply
    749,661,900,967.78x = 1,124,138,373,474.70 × 290,411,671,364.40
  4. Step 4: Simplify right side
    749,661,900,967.78x = 326,462,903,885,645,771,440,128
  5. Step 5: Solve for x
    x = 326,462,903,885,645,771,440,128/749,661,900,967.78
  6. Step 6: Final answer
    x = 435,480,185,753.33

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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.