Home / 763,518,671,792.35-1,145,395,686,666.70-260,323,380,962.11

Finding the Fourth Proportional to 763,518,671,792.35, 1,145,395,686,666.70 and 260,323,380,962.11

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Solution

The fourth proportional to 763,518,671,792.35, 1,145,395,686,666.70 and 260,323,380,962.11 is: 390,525,194,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,518,671,792.35 : 1,145,395,686,666.70 = 260,323,380,962.11 : x
  2. Step 2: Convert to fraction form
    763,518,671,792.35/1,145,395,686,666.70 = 260,323,380,962.11/x
  3. Step 3: Cross multiply
    763,518,671,792.35x = 1,145,395,686,666.70 × 260,323,380,962.11
  4. Step 4: Simplify right side
    763,518,671,792.35x = 298,173,277,692,492,884,475,904
  5. Step 5: Solve for x
    x = 298,173,277,692,492,884,475,904/763,518,671,792.35
  6. Step 6: Final answer
    x = 390,525,194,351.22

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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.