Home / 977,032,072.15-1,348,314,674.99-530,995,458.49

Finding the Fourth Proportional to 977,032,072.15, 1,348,314,674.99 and 530,995,458.49

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Solution

The fourth proportional to 977,032,072.15, 1,348,314,674.99 and 530,995,458.49 is: 732,779,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,032,072.15 : 1,348,314,674.99 = 530,995,458.49 : x
  2. Step 2: Convert to fraction form
    977,032,072.15/1,348,314,674.99 = 530,995,458.49/x
  3. Step 3: Cross multiply
    977,032,072.15x = 1,348,314,674.99 × 530,995,458.49
  4. Step 4: Simplify right side
    977,032,072.15x = 715,948,969,029,084,544
  5. Step 5: Solve for x
    x = 715,948,969,029,084,544/977,032,072.15
  6. Step 6: Final answer
    x = 732,779,393.27

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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.