Home / 647,355,546.40-971,033,319.60-572,528,653.60

Finding the Fourth Proportional to 647,355,546.40, 971,033,319.60 and 572,528,653.60

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Solution

The fourth proportional to 647,355,546.40, 971,033,319.60 and 572,528,653.60 is: 858,792,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,355,546.40 : 971,033,319.60 = 572,528,653.60 : x
  2. Step 2: Convert to fraction form
    647,355,546.40/971,033,319.60 = 572,528,653.60/x
  3. Step 3: Cross multiply
    647,355,546.40x = 971,033,319.60 × 572,528,653.60
  4. Step 4: Simplify right side
    647,355,546.40x = 555,944,399,071,326,528
  5. Step 5: Solve for x
    x = 555,944,399,071,326,528/647,355,546.40
  6. Step 6: Final answer
    x = 858,792,980.40

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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.