Home / 289,712,877.84-399,733,789.32-183,827,686.32

Finding the Fourth Proportional to 289,712,877.84, 399,733,789.32 and 183,827,686.32

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Solution

The fourth proportional to 289,712,877.84, 399,733,789.32 and 183,827,686.32 is: 253,637,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,712,877.84 : 399,733,789.32 = 183,827,686.32 : x
  2. Step 2: Convert to fraction form
    289,712,877.84/399,733,789.32 = 183,827,686.32/x
  3. Step 3: Cross multiply
    289,712,877.84x = 399,733,789.32 × 183,827,686.32
  4. Step 4: Simplify right side
    289,712,877.84x = 73,482,137,634,621,920
  5. Step 5: Solve for x
    x = 73,482,137,634,621,920/289,712,877.84
  6. Step 6: Final answer
    x = 253,637,802.30

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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.