Home / 1,535,072,885.29-2,118,400,527.41-830,224,849.69

Finding the Fourth Proportional to 1,535,072,885.29, 2,118,400,527.41 and 830,224,849.69

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Solution

The fourth proportional to 1,535,072,885.29, 2,118,400,527.41 and 830,224,849.69 is: 1,145,710,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,072,885.29 : 2,118,400,527.41 = 830,224,849.69 : x
  2. Step 2: Convert to fraction form
    1,535,072,885.29/2,118,400,527.41 = 830,224,849.69/x
  3. Step 3: Cross multiply
    1,535,072,885.29x = 2,118,400,527.41 × 830,224,849.69
  4. Step 4: Simplify right side
    1,535,072,885.29x = 1,758,748,759,452,184,064
  5. Step 5: Solve for x
    x = 1,758,748,759,452,184,064/1,535,072,885.29
  6. Step 6: Final answer
    x = 1,145,710,263.21

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Double scale
Find fourth proportional to 1,535,072,886.29, 2,118,400,528.79 and 830,224,850.69
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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.