Home / 1,087,554,094.12-1,501,004,643.10-641,626,478.12

Finding the Fourth Proportional to 1,087,554,094.12, 1,501,004,643.10 and 641,626,478.12

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Solution

The fourth proportional to 1,087,554,094.12, 1,501,004,643.10 and 641,626,478.12 is: 885,550,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,554,094.12 : 1,501,004,643.10 = 641,626,478.12 : x
  2. Step 2: Convert to fraction form
    1,087,554,094.12/1,501,004,643.10 = 641,626,478.12/x
  3. Step 3: Cross multiply
    1,087,554,094.12x = 1,501,004,643.10 × 641,626,478.12
  4. Step 4: Simplify right side
    1,087,554,094.12x = 963,084,322,794,020,480
  5. Step 5: Solve for x
    x = 963,084,322,794,020,480/1,087,554,094.12
  6. Step 6: Final answer
    x = 885,550,730.76

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Double scale
Find fourth proportional to 1,087,554,095.12, 1,501,004,644.48 and 641,626,479.12
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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.