Home / 877,526,656.80-1,316,289,985.20-360,328,275.60

Finding the Fourth Proportional to 877,526,656.80, 1,316,289,985.20 and 360,328,275.60

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Solution

The fourth proportional to 877,526,656.80, 1,316,289,985.20 and 360,328,275.60 is: 540,492,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,526,656.80 : 1,316,289,985.20 = 360,328,275.60 : x
  2. Step 2: Convert to fraction form
    877,526,656.80/1,316,289,985.20 = 360,328,275.60/x
  3. Step 3: Cross multiply
    877,526,656.80x = 1,316,289,985.20 × 360,328,275.60
  4. Step 4: Simplify right side
    877,526,656.80x = 474,296,500,556,665,600
  5. Step 5: Solve for x
    x = 474,296,500,556,665,600/877,526,656.80
  6. Step 6: Final answer
    x = 540,492,413.40

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1.5x scale

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.