Home / 6,438,528,047.70-9,657,792,071.55-6,397,713,378.90

Finding the Fourth Proportional to 6,438,528,047.70, 9,657,792,071.55 and 6,397,713,378.90

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Solution

The fourth proportional to 6,438,528,047.70, 9,657,792,071.55 and 6,397,713,378.90 is: 9,596,570,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,047.70 : 9,657,792,071.55 = 6,397,713,378.90 : x
  2. Step 2: Convert to fraction form
    6,438,528,047.70/9,657,792,071.55 = 6,397,713,378.90/x
  3. Step 3: Cross multiply
    6,438,528,047.70x = 9,657,792,071.55 × 6,397,713,378.90
  4. Step 4: Simplify right side
    6,438,528,047.70x = 61,787,785,546,789,773,312
  5. Step 5: Solve for x
    x = 61,787,785,546,789,773,312/6,438,528,047.70
  6. Step 6: Final answer
    x = 9,596,570,068.35

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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.