Home / 6,438,528,085.35-9,657,792,128.03-6,184,570,146.15

Finding the Fourth Proportional to 6,438,528,085.35, 9,657,792,128.03 and 6,184,570,146.15

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Solution

The fourth proportional to 6,438,528,085.35, 9,657,792,128.03 and 6,184,570,146.15 is: 9,276,855,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,085.35 : 9,657,792,128.03 = 6,184,570,146.15 : x
  2. Step 2: Convert to fraction form
    6,438,528,085.35/9,657,792,128.03 = 6,184,570,146.15/x
  3. Step 3: Cross multiply
    6,438,528,085.35x = 9,657,792,128.03 × 6,184,570,146.15
  4. Step 4: Simplify right side
    6,438,528,085.35x = 59,729,292,872,705,884,160
  5. Step 5: Solve for x
    x = 59,729,292,872,705,884,160/6,438,528,085.35
  6. Step 6: Final answer
    x = 9,276,855,219.23

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Double scale
Find fourth proportional to 6,438,528,086.35, 9,657,792,129.53 and 6,184,570,147.15
Similar ratio
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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.