Home / 774,537,281.43-1,068,865,068.02-440,028,159.30

Finding the Fourth Proportional to 774,537,281.43, 1,068,865,068.02 and 440,028,159.30

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Solution

The fourth proportional to 774,537,281.43, 1,068,865,068.02 and 440,028,159.30 is: 607,240,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,537,281.43 : 1,068,865,068.02 = 440,028,159.30 : x
  2. Step 2: Convert to fraction form
    774,537,281.43/1,068,865,068.02 = 440,028,159.30/x
  3. Step 3: Cross multiply
    774,537,281.43x = 1,068,865,068.02 × 440,028,159.30
  4. Step 4: Simplify right side
    774,537,281.43x = 470,330,728,413,365,440
  5. Step 5: Solve for x
    x = 470,330,728,413,365,440/774,537,281.43
  6. Step 6: Final answer
    x = 607,240,916.21

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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.