Home / 910,655,411.04-1,365,778,675.20-418,896,388.80

Finding the Fourth Proportional to 910,655,411.04, 1,365,778,675.20 and 418,896,388.80

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Solution

The fourth proportional to 910,655,411.04, 1,365,778,675.20 and 418,896,388.80 is: 628,250,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,655,411.04 : 1,365,778,675.20 = 418,896,388.80 : x
  2. Step 2: Convert to fraction form
    910,655,411.04/1,365,778,675.20 = 418,896,388.80/x
  3. Step 3: Cross multiply
    910,655,411.04x = 1,365,778,675.20 × 418,896,388.80
  4. Step 4: Simplify right side
    910,655,411.04x = 572,119,754,941,328,128
  5. Step 5: Solve for x
    x = 572,119,754,941,328,128/910,655,411.04
  6. Step 6: Final answer
    x = 628,250,541.32

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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.