Home / 528,168,042,985.85-792,297,701,413.80-145,712,118,303.96

Finding the Fourth Proportional to 528,168,042,985.85, 792,297,701,413.80 and 145,712,118,303.96

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Solution

The fourth proportional to 528,168,042,985.85, 792,297,701,413.80 and 145,712,118,303.96 is: 218,580,767,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,168,042,985.85 : 792,297,701,413.80 = 145,712,118,303.96 : x
  2. Step 2: Convert to fraction form
    528,168,042,985.85/792,297,701,413.80 = 145,712,118,303.96/x
  3. Step 3: Cross multiply
    528,168,042,985.85x = 792,297,701,413.80 × 145,712,118,303.96
  4. Step 4: Simplify right side
    528,168,042,985.85x = 115,447,376,400,363,194,155,008
  5. Step 5: Solve for x
    x = 115,447,376,400,363,194,155,008/528,168,042,985.85
  6. Step 6: Final answer
    x = 218,580,767,870.23

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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.