Home / 1,200,624,657.30-1,656,484,335.09-671,904,635.22

Finding the Fourth Proportional to 1,200,624,657.30, 1,656,484,335.09 and 671,904,635.22

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Solution

The fourth proportional to 1,200,624,657.30, 1,656,484,335.09 and 671,904,635.22 is: 927,017,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,624,657.30 : 1,656,484,335.09 = 671,904,635.22 : x
  2. Step 2: Convert to fraction form
    1,200,624,657.30/1,656,484,335.09 = 671,904,635.22/x
  3. Step 3: Cross multiply
    1,200,624,657.30x = 1,656,484,335.09 × 671,904,635.22
  4. Step 4: Simplify right side
    1,200,624,657.30x = 1,112,999,502,916,290,688
  5. Step 5: Solve for x
    x = 1,112,999,502,916,290,688/1,200,624,657.30
  6. Step 6: Final answer
    x = 927,017,029.13

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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.