Home / 1,083,585,973.52-1,495,323,208.80-637,578,225.20

Finding the Fourth Proportional to 1,083,585,973.52, 1,495,323,208.80 and 637,578,225.20

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Solution

The fourth proportional to 1,083,585,973.52, 1,495,323,208.80 and 637,578,225.20 is: 879,842,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,585,973.52 : 1,495,323,208.80 = 637,578,225.20 : x
  2. Step 2: Convert to fraction form
    1,083,585,973.52/1,495,323,208.80 = 637,578,225.20/x
  3. Step 3: Cross multiply
    1,083,585,973.52x = 1,495,323,208.80 × 637,578,225.20
  4. Step 4: Simplify right side
    1,083,585,973.52x = 953,385,517,567,073,024
  5. Step 5: Solve for x
    x = 953,385,517,567,073,024/1,083,585,973.52
  6. Step 6: Final answer
    x = 879,842,985.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.