Home / 528,168,042,985.34-792,297,701,413.07-145,712,118,303.46

Finding the Fourth Proportional to 528,168,042,985.34, 792,297,701,413.07 and 145,712,118,303.46

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Solution

The fourth proportional to 528,168,042,985.34, 792,297,701,413.07 and 145,712,118,303.46 is: 218,580,767,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,168,042,985.34 : 792,297,701,413.07 = 145,712,118,303.46 : x
  2. Step 2: Convert to fraction form
    528,168,042,985.34/792,297,701,413.07 = 145,712,118,303.46/x
  3. Step 3: Cross multiply
    528,168,042,985.34x = 792,297,701,413.07 × 145,712,118,303.46
  4. Step 4: Simplify right side
    528,168,042,985.34x = 115,447,376,399,860,666,204,160
  5. Step 5: Solve for x
    x = 115,447,376,399,860,666,204,160/528,168,042,985.34
  6. Step 6: Final answer
    x = 218,580,767,869.49

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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.