Home / 6,438,528,058.20-9,657,792,087.30-6,397,713,389.40

Finding the Fourth Proportional to 6,438,528,058.20, 9,657,792,087.30 and 6,397,713,389.40

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Solution

The fourth proportional to 6,438,528,058.20, 9,657,792,087.30 and 6,397,713,389.40 is: 9,596,570,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,528,058.20 : 9,657,792,087.30 = 6,397,713,389.40 : x
  2. Step 2: Convert to fraction form
    6,438,528,058.20/9,657,792,087.30 = 6,397,713,389.40/x
  3. Step 3: Cross multiply
    6,438,528,058.20x = 9,657,792,087.30 × 6,397,713,389.40
  4. Step 4: Simplify right side
    6,438,528,058.20x = 61,787,785,748,960,575,488
  5. Step 5: Solve for x
    x = 61,787,785,748,960,575,488/6,438,528,058.20
  6. Step 6: Final answer
    x = 9,596,570,084.10

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Double scale
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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.