Home / 1,124,799,656.10-1,687,199,484.15-397,788,368.10

Finding the Fourth Proportional to 1,124,799,656.10, 1,687,199,484.15 and 397,788,368.10

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Solution

The fourth proportional to 1,124,799,656.10, 1,687,199,484.15 and 397,788,368.10 is: 596,682,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,799,656.10 : 1,687,199,484.15 = 397,788,368.10 : x
  2. Step 2: Convert to fraction form
    1,124,799,656.10/1,687,199,484.15 = 397,788,368.10/x
  3. Step 3: Cross multiply
    1,124,799,656.10x = 1,687,199,484.15 × 397,788,368.10
  4. Step 4: Simplify right side
    1,124,799,656.10x = 671,148,329,459,190,400
  5. Step 5: Solve for x
    x = 671,148,329,459,190,400/1,124,799,656.10
  6. Step 6: Final answer
    x = 596,682,552.15

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Half scale
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Double scale
Find fourth proportional to 1,124,799,657.10, 1,687,199,485.65 and 397,788,369.10
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1.5x scale

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.